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113730438 = 23178310631
BaseRepresentation
bin1101100011101…
…10001110000110
321221000002211110
412301312032012
5213103333223
615141345450
72550456423
oct661661606
9257002743
10113730438
115921a3a8
1232108286
131a740323
1411166d4a
159eb7d93
hex6c76386

113730438 has 16 divisors (see below), whose sum is σ = 227609856. Its totient is φ = 37885320.

The previous prime is 113730403. The next prime is 113730443. The reversal of 113730438 is 834037311.

It is a super-2 number, since 2×1137304382 = 25869225055343688, which contains 22 as substring.

It is a congruent number.

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, 5383 + ... + 16013.

It is an arithmetic number, because the mean of its divisors is an integer number (14225616).

Almost surely, 2113730438 is an apocalyptic number.

113730438 is an abundant number, since it is smaller than the sum of its proper divisors (113879418).

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

113730438 is a wasteful number, since it uses less digits than its factorization.

113730438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12419.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 113730438 is about 10664.4473837138. The cubic root of 113730438 is about 484.4982773451.

Adding to 113730438 its reverse (834037311), we get a palindrome (947767749).

The spelling of 113730438 in words is "one hundred thirteen million, seven hundred thirty thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 1783 3566 5349 10631 10698 21262 31893 63786 18955073 37910146 56865219 113730438