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113420769 = 37112916931
BaseRepresentation
bin1101100001010…
…10100111100001
321220102101001020
412300222213201
5213013431034
615131000053
72545026540
oct660524741
9256371036
10113420769
1159028780
1231b99029
131a6623a7
14110c6157
159e56249
hex6c2a9e1

113420769 has 32 divisors (see below), whose sum is σ = 195056640. Its totient is φ = 56884800.

The previous prime is 113420759. The next prime is 113420771. The reversal of 113420769 is 967024311.

It is not a de Polignac number, because 113420769 - 27 = 113420641 is a prime.

It is a super-2 number, since 2×1134207692 = 25728541681102722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (113420759) 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 31 ways as a sum of consecutive naturals, for example, 1767 + ... + 15164.

It is an arithmetic number, because the mean of its divisors is an integer number (6095520).

Almost surely, 2113420769 is an apocalyptic number.

It is an amenable number.

113420769 is a deficient number, since it is larger than the sum of its proper divisors (81635871).

113420769 is a wasteful number, since it uses less digits than its factorization.

113420769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16981.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 113420769 is about 10649.9187320843. The cubic root of 113420769 is about 484.0581416504.

The spelling of 113420769 in words is "one hundred thirteen million, four hundred twenty thousand, seven hundred sixty-nine".

Divisors: 1 3 7 11 21 29 33 77 87 203 231 319 609 957 2233 6699 16931 50793 118517 186241 355551 490999 558723 1303687 1472997 3436993 3911061 5400989 10310979 16202967 37806923 113420769