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113321420 = 22553106907
BaseRepresentation
bin1101100000100…
…10010111001100
321220020022202122
412300102113030
5213002241140
615124512112
72544134102
oct660222714
9256208678
10113321420
1158a70073
1231b4b638
131a6290c4
141109bc72
159e36ab5
hex6c125cc

113321420 has 24 divisors (see below), whose sum is σ = 242467344. Its totient is φ = 44472896.

The previous prime is 113321413. The next prime is 113321431. The reversal of 113321420 is 24123311.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52394 + ... + 54513.

It is an arithmetic number, because the mean of its divisors is an integer number (10102806).

Almost surely, 2113321420 is an apocalyptic number.

113321420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113321420 is an abundant number, since it is smaller than the sum of its proper divisors (129145924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113321420 is a wasteful number, since it uses less digits than its factorization.

113321420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106969 (or 106967 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 113321420 is about 10645.2534023385. The cubic root of 113321420 is about 483.9167661893.

Adding to 113321420 its reverse (24123311), we get a palindrome (137444731).

The spelling of 113321420 in words is "one hundred thirteen million, three hundred twenty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 106907 213814 427628 534535 1069070 2138140 5666071 11332142 22664284 28330355 56660710 113321420