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89109468 = 223271937503
BaseRepresentation
bin1010100111110…
…11001111011100
320012200020012200
411103323033130
5140303000333
612501531500
72131263240
oct523731734
9205606180
1089109468
1146333298
1225a13b90
13155cc7c6
14bb98420
157c52c13
hex54fb3dc

89109468 has 144 divisors (see below), whose sum is σ = 278853120. Its totient is φ = 23421312.

The previous prime is 89109467. The next prime is 89109481. The reversal of 89109468 is 86490198.

89109468 is a `hidden beast` number, since 89 + 109 + 468 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89109463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 176905 + ... + 177407.

It is an arithmetic number, because the mean of its divisors is an integer number (1936480).

Almost surely, 289109468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89109468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139426560).

89109468 is an abundant number, since it is smaller than the sum of its proper divisors (189743652).

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

89109468 is a wasteful number, since it uses less digits than its factorization.

89109468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 89109468 is about 9439.7811415308. The cubic root of 89109468 is about 446.6574857646.

The spelling of 89109468 in words is "eighty-nine million, one hundred nine thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 19 21 28 36 37 38 42 57 63 74 76 84 111 114 126 133 148 171 222 228 252 259 266 333 342 399 444 503 518 532 666 684 703 777 798 1006 1036 1197 1332 1406 1509 1554 1596 2012 2109 2331 2394 2812 3018 3108 3521 4218 4527 4662 4788 4921 6036 6327 7042 8436 9054 9324 9557 9842 10563 12654 14084 14763 18108 18611 19114 19684 21126 25308 28671 29526 31689 37222 38228 42252 44289 55833 57342 59052 63378 66899 74444 86013 88578 111666 114684 126756 130277 133798 167499 172026 177156 200697 223332 260554 267596 334998 344052 353609 390831 401394 521108 602091 669996 707218 781662 802788 1060827 1172493 1204182 1414436 1563324 2121654 2344986 2408364 2475263 3182481 4243308 4689972 4950526 6364962 7425789 9901052 12729924 14851578 22277367 29703156 44554734 89109468