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99165925 = 525097793
BaseRepresentation
bin1011110100100…
…10011011100101
320220121011002001
411322102123211
5200341302200
613501245301
72312616325
oct572223345
9226534061
1099165925
1150a81911
1229263831
1317710c81
14d255285
158a8c76a
hex5e926e5

99165925 has 12 divisors (see below), whose sum is σ = 123223140. Its totient is φ = 79166720.

The previous prime is 99165919. The next prime is 99165953. The reversal of 99165925 is 52956199.

It can be written as a sum of positive squares in 6 ways, for example, as 11068929 + 88096996 = 3327^2 + 9386^2 .

It is not a de Polignac number, because 99165925 - 23 = 99165917 is a prime.

It is a super-2 number, since 2×991659252 = 19667761362211250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8829 + ... + 16621.

It is an arithmetic number, because the mean of its divisors is an integer number (10268595).

Almost surely, 299165925 is an apocalyptic number.

It is an amenable number.

99165925 is a deficient number, since it is larger than the sum of its proper divisors (24057215).

99165925 is a wasteful number, since it uses less digits than its factorization.

99165925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8312 (or 8307 counting only the distinct ones).

The product of its digits is 218700, while the sum is 46.

The square root of 99165925 is about 9958.2089253038. The cubic root of 99165925 is about 462.8648010569.

The spelling of 99165925 in words is "ninety-nine million, one hundred sixty-five thousand, nine hundred twenty-five".

Divisors: 1 5 25 509 2545 7793 12725 38965 194825 3966637 19833185 99165925