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102886412 = 2299725799
BaseRepresentation
bin1100010000111…
…10110000001100
321011121011121212
412020132300030
5202314331122
614113113552
72356343246
oct610366014
9234534555
10102886412
11530930a2
122a5588b8
1318414545
14d943096
159074ce2
hex621ec0c

102886412 has 12 divisors (see below), whose sum is σ = 180238800. Its totient is φ = 51389616.

The previous prime is 102886379. The next prime is 102886447. The reversal of 102886412 is 214688201.

It is a happy number.

It is a super-2 number, since 2×1028864122 = 21171227548467488, which contains 22 as substring.

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, 8912 + ... + 16887.

It is an arithmetic number, because the mean of its divisors is an integer number (15019900).

Almost surely, 2102886412 is an apocalyptic number.

It is an amenable number.

102886412 is a deficient number, since it is larger than the sum of its proper divisors (77352388).

102886412 is a wasteful number, since it uses less digits than its factorization.

102886412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26800 (or 26798 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 102886412 is about 10143.2939423049. The cubic root of 102886412 is about 468.5824377211.

The spelling of 102886412 in words is "one hundred two million, eight hundred eighty-six thousand, four hundred twelve".

Divisors: 1 2 4 997 1994 3988 25799 51598 103196 25721603 51443206 102886412