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113975749 = 791442731
BaseRepresentation
bin1101100101100…
…10000111000101
321221110120100001
412302302013011
5213134210444
615150521301
72552530546
oct662620705
9257416301
10113975749
1159377738
1232206231
131a7c7b94
14111cc4cd
15a0158d4
hex6cb21c5

113975749 has 4 divisors (see below), whose sum is σ = 115418560. Its totient is φ = 112532940.

The previous prime is 113975723. The next prime is 113975753. The reversal of 113975749 is 947579311.

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 113975749 - 25 = 113975717 is a prime.

It is a super-2 number, since 2×1139757492 = 25980942720222002, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113975699 and 113975708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113375749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721287 + ... + 721444.

It is an arithmetic number, because the mean of its divisors is an integer number (28854640).

Almost surely, 2113975749 is an apocalyptic number.

It is an amenable number.

113975749 is a deficient number, since it is larger than the sum of its proper divisors (1442811).

113975749 is an equidigital number, since it uses as much as digits as its factorization.

113975749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442810.

The product of its digits is 238140, while the sum is 46.

The square root of 113975749 is about 10675.9425345025. The cubic root of 113975749 is about 484.8463735630.

The spelling of 113975749 in words is "one hundred thirteen million, nine hundred seventy-five thousand, seven hundred forty-nine".

Divisors: 1 79 1442731 113975749