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102906568 = 2343299147
BaseRepresentation
bin1100010001000…
…11101011001000
321011122012021101
412020203223020
5202321002233
614113351144
72356456102
oct610435310
9234565241
10102906568
11530a7256
122a5684b4
131842077b
14d94a572
15907ac7d
hex6223ac8

102906568 has 16 divisors (see below), whose sum is σ = 197437680. Its totient is φ = 50256528.

The previous prime is 102906553. The next prime is 102906589. The reversal of 102906568 is 865609201.

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, 149230 + ... + 149917.

It is an arithmetic number, because the mean of its divisors is an integer number (12339855).

Almost surely, 2102906568 is an apocalyptic number.

It is an amenable number.

102906568 is a deficient number, since it is larger than the sum of its proper divisors (94531112).

102906568 is a wasteful number, since it uses less digits than its factorization.

102906568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299196 (or 299192 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 102906568 is about 10144.2874564949. The cubic root of 102906568 is about 468.6130349942.

The spelling of 102906568 in words is "one hundred two million, nine hundred six thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 43 86 172 344 299147 598294 1196588 2393176 12863321 25726642 51453284 102906568