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68204676 = 22315973559
BaseRepresentation
bin1000001000010…
…11100010000100
311202100011020010
410010023202010
5114430022201
610433510220
71455505311
oct404134204
9152304203
1068204676
1135555201
121aa12370
13111905c7
1490b5d08
155ec3bd6
hex410b884

68204676 has 24 divisors (see below), whose sum is σ = 159288640. Its totient is φ = 22714272.

The previous prime is 68204671. The next prime is 68204701. The reversal of 68204676 is 67640286.

It is not an unprimeable number, because it can be changed into a prime (68204671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17385 + ... + 20943.

Almost surely, 268204676 is an apocalyptic number.

It is an amenable number.

68204676 is an abundant number, since it is smaller than the sum of its proper divisors (91083964).

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

68204676 is a wasteful number, since it uses less digits than its factorization.

68204676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5163 (or 5161 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 68204676 is about 8258.6122320884. The cubic root of 68204676 is about 408.5746180610.

The spelling of 68204676 in words is "sixty-eight million, two hundred four thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 12 1597 3194 3559 4791 6388 7118 9582 10677 14236 19164 21354 42708 5683723 11367446 17051169 22734892 34102338 68204676