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102681928 = 2319675539
BaseRepresentation
bin1100001111011…
…00110101001000
321011012210010101
412013230311020
5202241310203
614104455144
72354532136
oct607546510
9234183111
10102681928
1152a634a8
122a47a4b4
131837244b
14d8cc756
15903441d
hex61ecd48

102681928 has 16 divisors (see below), whose sum is σ = 202662000. Its totient is φ = 48638736.

The previous prime is 102681923. The next prime is 102681949. The reversal of 102681928 is 829186201.

It is not an unprimeable number, because it can be changed into a prime (102681923) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 337618 + ... + 337921.

It is an arithmetic number, because the mean of its divisors is an integer number (12666375).

Almost surely, 2102681928 is an apocalyptic number.

It is an amenable number.

102681928 is a deficient number, since it is larger than the sum of its proper divisors (99980072).

102681928 is a wasteful number, since it uses less digits than its factorization.

102681928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675564 (or 675560 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 102681928 is about 10133.2091659059. The cubic root of 102681928 is about 468.2718001360.

The spelling of 102681928 in words is "one hundred two million, six hundred eighty-one thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 19 38 76 152 675539 1351078 2702156 5404312 12835241 25670482 51340964 102681928