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113974381 = 432650567
BaseRepresentation
bin1101100101100…
…01110001101101
321221110111110101
412302301301231
5213134140011
615150511101
72552523553
oct662616155
9257414411
10113974381
1159376704
1232205491
131a7c7381
14111cbbd3
15a0152c1
hex6cb1c6d

113974381 has 4 divisors (see below), whose sum is σ = 116624992. Its totient is φ = 111323772.

The previous prime is 113974373. The next prime is 113974391. The reversal of 113974381 is 183479311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113974381 - 23 = 113974373 is a prime.

It is a super-2 number, since 2×1139743812 = 25980319048666322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113974381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113974351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1325241 + ... + 1325326.

It is an arithmetic number, because the mean of its divisors is an integer number (29156248).

Almost surely, 2113974381 is an apocalyptic number.

It is an amenable number.

113974381 is a deficient number, since it is larger than the sum of its proper divisors (2650611).

113974381 is an equidigital number, since it uses as much as digits as its factorization.

113974381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650610.

The product of its digits is 18144, while the sum is 37.

The square root of 113974381 is about 10675.8784650257. The cubic root of 113974381 is about 484.8444337571.

The spelling of 113974381 in words is "one hundred thirteen million, nine hundred seventy-four thousand, three hundred eighty-one".

Divisors: 1 43 2650567 113974381