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68607804 = 22323248579
BaseRepresentation
bin1000001011011…
…01111100111100
311210002122012210
410011231330330
5120030422204
610450300420
71462104516
oct405557474
9153078183
1068607804
1135800071
121ab87710
13112a1c45
14917cbb6
156053389
hex416df3c

68607804 has 24 divisors (see below), whose sum is σ = 167045760. Its totient is φ = 21874864.

The previous prime is 68607793. The next prime is 68607839. The reversal of 68607804 is 40870686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124014 + ... + 124565.

It is an arithmetic number, because the mean of its divisors is an integer number (6960240).

Almost surely, 268607804 is an apocalyptic number.

It is an amenable number.

68607804 is an abundant number, since it is smaller than the sum of its proper divisors (98437956).

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

68607804 is a wasteful number, since it uses less digits than its factorization.

68607804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248609 (or 248607 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 68607804 is about 8282.9827960705. The cubic root of 68607804 is about 409.3780059139.

The spelling of 68607804 in words is "sixty-eight million, six hundred seven thousand, eight hundred four".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 248579 497158 745737 994316 1491474 2982948 5717317 11434634 17151951 22869268 34303902 68607804