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68602864 = 24112913441
BaseRepresentation
bin1000001011011…
…00101111110000
311210002101102211
410011230233300
5120030242424
610450221504
71462054231
oct405545760
9153071384
1068602864
11357a7390
121ab84894
131129c915
14917b088
156051b94
hex416cbf0

68602864 has 40 divisors (see below), whose sum is σ = 150012720. Its totient is φ = 30105600.

The previous prime is 68602757. The next prime is 68602867. The reversal of 68602864 is 46820686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68602867) 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 7 ways as a sum of consecutive naturals, for example, 1617 + ... + 11824.

It is an arithmetic number, because the mean of its divisors is an integer number (3750318).

Almost surely, 268602864 is an apocalyptic number.

It is an amenable number.

68602864 is an abundant number, since it is smaller than the sum of its proper divisors (81409856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68602864 is a wasteful number, since it uses less digits than its factorization.

68602864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13489 (or 13483 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 68602864 is about 8282.6845889482. The cubic root of 68602864 is about 409.3681801323.

The spelling of 68602864 in words is "sixty-eight million, six hundred two thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 11 16 22 29 44 58 88 116 176 232 319 464 638 1276 2552 5104 13441 26882 53764 107528 147851 215056 295702 389789 591404 779578 1182808 1559156 2365616 3118312 4287679 6236624 8575358 17150716 34301432 68602864