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113620457 = 1051108107
BaseRepresentation
bin1101100010110…
…11010111101001
321220210111222002
412301123113221
5213041323312
615135140345
72546520656
oct661332751
9256714862
10113620457
1159154805
12320746b5
131a702252
1411138c2d
159e954c2
hex6c5b5e9

113620457 has 4 divisors (see below), whose sum is σ = 113729616. Its totient is φ = 113511300.

The previous prime is 113620427. The next prime is 113620459. The reversal of 113620457 is 754026311.

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 113620457 - 216 = 113554921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113620459) 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, 53003 + ... + 55104.

It is an arithmetic number, because the mean of its divisors is an integer number (28432404).

Almost surely, 2113620457 is an apocalyptic number.

It is an amenable number.

113620457 is a deficient number, since it is larger than the sum of its proper divisors (109159).

113620457 is a wasteful number, since it uses less digits than its factorization.

113620457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109158.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 113620457 is about 10659.2897042908. The cubic root of 113620457 is about 484.3420518248.

Adding to 113620457 its reverse (754026311), we get a palindrome (867646768).

The spelling of 113620457 in words is "one hundred thirteen million, six hundred twenty thousand, four hundred fifty-seven".

Divisors: 1 1051 108107 113620457