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67768104 = 2332823671
BaseRepresentation
bin1000000101000…
…00111100101000
311201111222100210
410002200330220
5114322034404
610420301120
71452006435
oct402407450
9151458323
1067768104
11352871a8
121a8417a0
1311069991
149000b8c
155e39689
hex40a0f28

67768104 has 16 divisors (see below), whose sum is σ = 169420320. Its totient is φ = 22589360.

The previous prime is 67768093. The next prime is 67768111. The reversal of 67768104 is 40186776.

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, 1411812 + ... + 1411859.

It is an arithmetic number, because the mean of its divisors is an integer number (10588770).

Almost surely, 267768104 is an apocalyptic number.

It is an amenable number.

67768104 is an abundant number, since it is smaller than the sum of its proper divisors (101652216).

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

67768104 is a wasteful number, since it uses less digits than its factorization.

67768104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2823680 (or 2823676 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 67768104 is about 8232.1384828002. The cubic root of 67768104 is about 407.7010016202.

The spelling of 67768104 in words is "sixty-seven million, seven hundred sixty-eight thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 24 2823671 5647342 8471013 11294684 16942026 22589368 33884052 67768104