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89904295 = 5131972797
BaseRepresentation
bin1010101101111…
…01010010100111
320021011121111201
411112331102213
5141003414140
612530543331
72141113435
oct526752247
9207147451
1089904295
1146826478
1226137b47
131581a510
14bd23d55
157d5d49a
hex55bd4a7

89904295 has 16 divisors (see below), whose sum is σ = 122300640. Its totient is φ = 62895744.

The previous prime is 89904277. The next prime is 89904307. The reversal of 89904295 is 59240998.

It is a cyclic number.

It is not a de Polignac number, because 89904295 - 29 = 89903783 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35164 + ... + 37633.

It is an arithmetic number, because the mean of its divisors is an integer number (7643790).

Almost surely, 289904295 is an apocalyptic number.

89904295 is a deficient number, since it is larger than the sum of its proper divisors (32396345).

89904295 is a wasteful number, since it uses less digits than its factorization.

89904295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72834.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 89904295 is about 9481.7875424416. The cubic root of 89904295 is about 447.9815691158.

The spelling of 89904295 in words is "eighty-nine million, nine hundred four thousand, two hundred ninety-five".

Divisors: 1 5 13 19 65 95 247 1235 72797 363985 946361 1383143 4731805 6915715 17980859 89904295