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102313688 = 2389143699
BaseRepresentation
bin1100001100100…
…10111011011000
321010112001222212
412012102323120
5202143014223
614052534252
72351436431
oct606227330
9233461885
10102313688
1152831874
122a321388
1318273959
14d834488
158eb0278
hex6192ed8

102313688 has 16 divisors (see below), whose sum is σ = 193995000. Its totient is φ = 50581696.

The previous prime is 102313643. The next prime is 102313693. The reversal of 102313688 is 886313201.

It is a happy number.

It is a super-2 number, since 2×1023136882 = 20936181504322688, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 71138 + ... + 72561.

Almost surely, 2102313688 is an apocalyptic number.

It is an amenable number.

102313688 is a deficient number, since it is larger than the sum of its proper divisors (91681312).

102313688 is a wasteful number, since it uses less digits than its factorization.

102313688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143794 (or 143790 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 102313688 is about 10115.0228867759. The cubic root of 102313688 is about 467.7113543843.

Adding to 102313688 its reverse (886313201), we get a palindrome (988626889).

The spelling of 102313688 in words is "one hundred two million, three hundred thirteen thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 89 178 356 712 143699 287398 574796 1149592 12789211 25578422 51156844 102313688