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113702621 = 432644247
BaseRepresentation
bin1101100011011…
…11011011011101
321220221200200012
412301233123131
5213101440441
615141013005
72550312344
oct661573335
9256850605
10113702621
115920050a
12320b4165
131a730776
141115ab5b
159eae9eb
hex6c6f6dd

113702621 has 4 divisors (see below), whose sum is σ = 116346912. Its totient is φ = 111058332.

The previous prime is 113702609. The next prime is 113702623. The reversal of 113702621 is 126207311.

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 a de Polignac number, because none of the positive numbers 2k-113702621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113702623) 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, 1322081 + ... + 1322166.

It is an arithmetic number, because the mean of its divisors is an integer number (29086728).

Almost surely, 2113702621 is an apocalyptic number.

It is an amenable number.

113702621 is a deficient number, since it is larger than the sum of its proper divisors (2644291).

113702621 is an equidigital number, since it uses as much as digits as its factorization.

113702621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644290.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 113702621 is about 10663.1431107343. The cubic root of 113702621 is about 484.4587734452.

Adding to 113702621 its reverse (126207311), we get a palindrome (239909932).

The spelling of 113702621 in words is "one hundred thirteen million, seven hundred two thousand, six hundred twenty-one".

Divisors: 1 43 2644247 113702621