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89408176144 = 24725921812
BaseRepresentation
bin101001101000100100…
…1001000000000010000
322112210000020221102021
41103101021020000100
52431101443114034
6105023515301224
76313421646400
oct1232111100020
9275700227367
1089408176144
1134a10648071
12153b274a814
13857b32a051
144482482800
1524d44266b4
hex14d1248010

89408176144 has 135 divisors (see below), whose sum is σ = 206122605021. Its totient is φ = 37460223360.

The previous prime is 89408176127. The next prime is 89408176147. The reversal of 89408176144 is 44167180498.

The square root of 89408176144 is 299012.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 985206544 + 88422969600 = 31388^2 + 297360^2 .

It is a super-2 number, since 2×894081761442 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89408176091 and 89408176100.

It is not an unprimeable number, because it can be changed into a prime (89408176147) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 493967734 + ... + 493967914.

Almost surely, 289408176144 is an apocalyptic number.

89408176144 is the 299012-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89408176144

89408176144 is an abundant number, since it is smaller than the sum of its proper divisors (116714428877).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89408176144 is an equidigital number, since it uses as much as digits as its factorization.

89408176144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 52.

It can be divided in two parts, 894081 and 76144, that added together give a square (970225 = 9852).

The spelling of 89408176144 in words is "eighty-nine billion, four hundred eight million, one hundred seventy-six thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 49 56 59 98 112 118 181 196 236 362 392 413 472 724 784 826 944 1267 1448 1652 2534 2891 2896 3304 3481 5068 5782 6608 6962 8869 10136 10679 11564 13924 17738 20272 21358 23128 24367 27848 32761 35476 42716 46256 48734 55696 65522 70952 74753 85432 97468 131044 141904 149506 170569 170864 194936 229327 262088 299012 341138 389872 458654 523271 524176 598024 630061 682276 917308 1046542 1196048 1260122 1364552 1605289 1834616 1932899 2093084 2520244 2729104 3210578 3669232 3865798 4186168 4410427 5040488 6421156 7731596 8372336 8820854 10080976 12842312 13530293 15463192 17641708 25684624 27060586 30872989 30926384 35283416 54121172 61745978 70566832 94712051 108242344 114041041 123491956 189424102 216484688 228082082 246983912 378848204 456164164 493967824 757696408 798287287 912328328 1515392816 1596574574 1824656656 3193149148 5588011009 6386298296 11176022018 12772596592 22352044036 44704088072 89408176144