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113904940 = 22513940973
BaseRepresentation
bin1101100101000…
…00110100101100
321221022222012111
412302200310230
5213124424230
615145213404
72552114242
oct662406454
9257288174
10113904940
1159329516
1232191264
131a7a1896
14111b0792
159eee92a
hex6ca0d2c

113904940 has 24 divisors (see below), whose sum is σ = 240927120. Its totient is φ = 45233088.

The previous prime is 113904911. The next prime is 113904941. The reversal of 113904940 is 49409311.

It is not an unprimeable number, because it can be changed into a prime (113904941) 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, 17707 + ... + 23266.

It is an arithmetic number, because the mean of its divisors is an integer number (10038630).

Almost surely, 2113904940 is an apocalyptic number.

113904940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113904940 is an abundant number, since it is smaller than the sum of its proper divisors (127022180).

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

113904940 is a wasteful number, since it uses less digits than its factorization.

113904940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41121 (or 41119 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 113904940 is about 10672.6257312809. The cubic root of 113904940 is about 484.7459469393.

The spelling of 113904940 in words is "one hundred thirteen million, nine hundred four thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 139 278 556 695 1390 2780 40973 81946 163892 204865 409730 819460 5695247 11390494 22780988 28476235 56952470 113904940