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113918841 = 3257721937
BaseRepresentation
bin1101100101001…
…00001101111001
321221100200021100
412302210031321
5213130400331
615145402013
72552202621
oct662441571
9257320240
10113918841
1159338a03
1232199309
131a7a7cca
14111b5881
15a003ae6
hex6ca4379

113918841 has 12 divisors (see below), whose sum is σ = 164842132. Its totient is φ = 75810816.

The previous prime is 113918821. The next prime is 113918863. The reversal of 113918841 is 148819311.

It can be written as a sum of positive squares in 2 ways, for example, as 75429225 + 38489616 = 8685^2 + 6204^2 .

It is not a de Polignac number, because 113918841 - 214 = 113902457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113918796 and 113918805.

It is not an unprimeable number, because it can be changed into a prime (113918821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5776 + ... + 16161.

Almost surely, 2113918841 is an apocalyptic number.

It is an amenable number.

113918841 is a deficient number, since it is larger than the sum of its proper divisors (50923291).

113918841 is a wasteful number, since it uses less digits than its factorization.

113918841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22520 (or 22517 counting only the distinct ones).

The product of its digits is 6912, while the sum is 36.

The square root of 113918841 is about 10673.2769569612. The cubic root of 113918841 is about 484.7656656606.

The spelling of 113918841 in words is "one hundred thirteen million, nine hundred eighteen thousand, eight hundred forty-one".

Divisors: 1 3 9 577 1731 5193 21937 65811 197433 12657649 37972947 113918841