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113971686 = 2331612751
BaseRepresentation
bin1101100101100…
…01000111100110
321221110100202120
412302301013212
5213134043221
615150450410
72552512653
oct662610746
9257410676
10113971686
1159374684
1232203a06
131a7c608a
14111cac2a
15a0145c6
hex6cb11e6

113971686 has 16 divisors (see below), whose sum is σ = 235296768. Its totient is φ = 36765000.

The previous prime is 113971681. The next prime is 113971727. The reversal of 113971686 is 686179311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113971681) 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, 306190 + ... + 306561.

It is an arithmetic number, because the mean of its divisors is an integer number (14706048).

Almost surely, 2113971686 is an apocalyptic number.

113971686 is an abundant number, since it is smaller than the sum of its proper divisors (121325082).

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

113971686 is a wasteful number, since it uses less digits than its factorization.

113971686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612787.

The product of its digits is 54432, while the sum is 42.

The square root of 113971686 is about 10675.7522451582. The cubic root of 113971686 is about 484.8406122373.

The spelling of 113971686 in words is "one hundred thirteen million, nine hundred seventy-one thousand, six hundred eighty-six".

Divisors: 1 2 3 6 31 62 93 186 612751 1225502 1838253 3676506 18995281 37990562 56985843 113971686