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89418940900 = 225217217592
BaseRepresentation
bin101001101000111001…
…0001100000111100100
322112210202111211212221
41103101302030013210
52431112222102100
6105024542122124
76313612312462
oct1232162140744
9275722454787
1089418940900
1134a1672a863
12153b6280344
138580628a23
144483a85832
1524d535101a
hex14d1c8c1e4

89418940900 has 81 divisors (see below), whose sum is σ = 206241831579. Its totient is φ = 33644463360.

The previous prime is 89418940873. The next prime is 89418940901. The reversal of 89418940900 is 904981498.

It is a happy number.

The square root of 89418940900 is 299030.

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

It can be written as a sum of positive squares in 4 ways, for example, as 2091598756 + 87327342144 = 45734^2 + 295512^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89418940901) 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, 50834221 + ... + 50835979.

Almost surely, 289418940900 is an apocalyptic number.

89418940900 is the 299030-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89418940900

89418940900 is an abundant number, since it is smaller than the sum of its proper divisors (116822890679).

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

89418940900 is a wasteful number, since it uses less digits than its factorization.

89418940900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3566 (or 1783 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 52.

It can be divided in two parts, 894189 and 40900, that added together give a square (935089 = 9672).

The spelling of 89418940900 in words is "eighty-nine billion, four hundred eighteen million, nine hundred forty thousand, nine hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 170 289 340 425 578 850 1156 1445 1700 1759 2890 3518 5780 7036 7225 8795 14450 17590 28900 29903 35180 43975 59806 87950 119612 149515 175900 299030 508351 598060 747575 1016702 1495150 2033404 2541755 2990300 3094081 5083510 6188162 10167020 12376324 12708775 15470405 25417550 30940810 50835100 52599377 61881620 77352025 105198754 154704050 210397508 262996885 309408100 525993770 894189409 1051987540 1314984425 1788378818 2629968850 3576757636 4470947045 5259937700 8941894090 17883788180 22354735225 44709470450 89418940900