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102868856 = 2312858607
BaseRepresentation
bin1100010000110…
…10011101111000
321011120021112122
412020122131320
5202313300411
614112500412
72356241126
oct610323570
9234507478
10102868856
1153080992
122a54a708
131840955c
14d93a916
15906e9db
hex621a778

102868856 has 8 divisors (see below), whose sum is σ = 192879120. Its totient is φ = 51434424.

The previous prime is 102868841. The next prime is 102868867. The reversal of 102868856 is 658868201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6429296 + ... + 6429311.

It is an arithmetic number, because the mean of its divisors is an integer number (24109890).

Almost surely, 2102868856 is an apocalyptic number.

It is an amenable number.

102868856 is a deficient number, since it is larger than the sum of its proper divisors (90010264).

102868856 is a wasteful number, since it uses less digits than its factorization.

102868856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12858613 (or 12858609 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 44.

The square root of 102868856 is about 10142.4285060335. The cubic root of 102868856 is about 468.5557840518. Note that the first 3 decimals are identical.

The spelling of 102868856 in words is "one hundred two million, eight hundred sixty-eight thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 12858607 25717214 51434428 102868856