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68104776 = 2334365993
BaseRepresentation
bin1000000111100…
…11001001001000
311202011002012010
410003303021020
5114413323101
610431415520
71454611125
oct403631110
9152132163
1068104776
1135497143
121a9845a0
1311156cac
14908b74c
155ea42d6
hex40f3248

68104776 has 32 divisors (see below), whose sum is σ = 174224160. Its totient is φ = 22173312.

The previous prime is 68104741. The next prime is 68104783. The reversal of 68104776 is 67740186.

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, 31965 + ... + 34028.

It is an arithmetic number, because the mean of its divisors is an integer number (5444505).

Almost surely, 268104776 is an apocalyptic number.

It is an amenable number.

68104776 is an abundant number, since it is smaller than the sum of its proper divisors (106119384).

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

68104776 is a wasteful number, since it uses less digits than its factorization.

68104776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66045 (or 66041 counting only the distinct ones).

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

The square root of 68104776 is about 8252.5617840765. The cubic root of 68104776 is about 408.3750396199.

The spelling of 68104776 in words is "sixty-eight million, one hundred four thousand, seven hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 24 43 86 129 172 258 344 516 1032 65993 131986 197979 263972 395958 527944 791916 1583832 2837699 5675398 8513097 11350796 17026194 22701592 34052388 68104776