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113270431 = 373061363
BaseRepresentation
bin1101100000001…
…01111010011111
321220010201211011
412300011322133
5212444123211
615123440051
72543532331
oct660057237
9256121734
10113270431
1158a3582a
1231b26027
131a60bb31
1411087451
159e26921
hex6c05e9f

113270431 has 4 divisors (see below), whose sum is σ = 116331832. Its totient is φ = 110209032.

The previous prime is 113270429. The next prime is 113270447. The reversal of 113270431 is 134072311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113270431 - 21 = 113270429 is a prime.

It is a super-2 number, since 2×1132704312 = 25660381077851522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113277431) 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, 1530645 + ... + 1530718.

It is an arithmetic number, because the mean of its divisors is an integer number (29082958).

Almost surely, 2113270431 is an apocalyptic number.

113270431 is a deficient number, since it is larger than the sum of its proper divisors (3061401).

113270431 is an equidigital number, since it uses as much as digits as its factorization.

113270431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3061400.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 113270431 is about 10642.8582157238. The cubic root of 113270431 is about 483.8441758127.

The spelling of 113270431 in words is "one hundred thirteen million, two hundred seventy thousand, four hundred thirty-one".

Divisors: 1 37 3061363 113270431