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102905696 = 257145293
BaseRepresentation
bin1100010001000…
…11011101100000
321011122011002002
412020203131200
5202320440241
614113343132
72356453415
oct610433540
9234564062
10102905696
11530a6633
122a567aa8
131842025a
14d94a10c
15907a89b
hex6223760

102905696 has 24 divisors (see below), whose sum is σ = 205453584. Its totient is φ = 50727040.

The previous prime is 102905689. The next prime is 102905711. The reversal of 102905696 is 696509201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20375 + ... + 24918.

It is an arithmetic number, because the mean of its divisors is an integer number (8560566).

Almost surely, 2102905696 is an apocalyptic number.

102905696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

102905696 is a deficient number, since it is larger than the sum of its proper divisors (102547888).

102905696 is an equidigital number, since it uses as much as digits as its factorization.

102905696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45374 (or 45366 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 102905696 is about 10144.2444765493. The cubic root of 102905696 is about 468.6117113608.

The spelling of 102905696 in words is "one hundred two million, nine hundred five thousand, six hundred ninety-six".

Divisors: 1 2 4 8 16 32 71 142 284 568 1136 2272 45293 90586 181172 362344 724688 1449376 3215803 6431606 12863212 25726424 51452848 102905696