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68359924 = 22171005293
BaseRepresentation
bin1000001001100…
…01011011110100
311202122001012001
410010301123310
5120000004144
610441105044
71460023033
oct404613364
9152561161
1068359924
1135650906
121aa88184
1311216179
14911671a
156004bd4
hex41316f4

68359924 has 12 divisors (see below), whose sum is σ = 126667044. Its totient is φ = 32169344.

The previous prime is 68359919. The next prime is 68359943. The reversal of 68359924 is 42995386.

It can be written as a sum of positive squares in 2 ways, for example, as 53290000 + 15069924 = 7300^2 + 3882^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502579 + ... + 502714.

It is an arithmetic number, because the mean of its divisors is an integer number (10555587).

Almost surely, 268359924 is an apocalyptic number.

It is an amenable number.

68359924 is a deficient number, since it is larger than the sum of its proper divisors (58307120).

68359924 is a wasteful number, since it uses less digits than its factorization.

68359924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005314 (or 1005312 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The square root of 68359924 is about 8268.0060474095. The cubic root of 68359924 is about 408.8843833629.

The spelling of 68359924 in words is "sixty-eight million, three hundred fifty-nine thousand, nine hundred twenty-four".

Divisors: 1 2 4 17 34 68 1005293 2010586 4021172 17089981 34179962 68359924