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113997680 = 2456012371
BaseRepresentation
bin1101100101101…
…11011101110000
321221111200102022
412302313131300
5213140411210
615151211012
72552651516
oct662673560
9257450368
10113997680
1159392165
1232216a68
131a804b64
14111d64b6
15a01c155
hex6cb7770

113997680 has 40 divisors (see below), whose sum is σ = 265597584. Its totient is φ = 45504000.

The previous prime is 113997679. The next prime is 113997691. The reversal of 113997680 is 86799311.

It is a tau number, because it is divible by the number of its divisors (40).

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, 46895 + ... + 49265.

Almost surely, 2113997680 is an apocalyptic number.

113997680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113997680 is an abundant number, since it is smaller than the sum of its proper divisors (151599904).

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

113997680 is a wasteful number, since it uses less digits than its factorization.

113997680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985 (or 2979 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 113997680 is about 10676.9696075244. The cubic root of 113997680 is about 484.8774693121.

The spelling of 113997680 in words is "one hundred thirteen million, nine hundred ninety-seven thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 601 1202 2371 2404 3005 4742 4808 6010 9484 9616 11855 12020 18968 23710 24040 37936 47420 48080 94840 189680 1424971 2849942 5699884 7124855 11399768 14249710 22799536 28499420 56998840 113997680