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113993047 = 721297649
BaseRepresentation
bin1101100101101…
…10010101010111
321221111110001201
412302312111113
5213140234142
615151133331
72552632150
oct662662527
9257443051
10113993047
1159389733
1232214247
131a802a0c
14111d4927
15a01aab7
hex6cb6557

113993047 has 8 divisors (see below), whose sum is σ = 130356000. Its totient is φ = 97649664.

The previous prime is 113993039. The next prime is 113993051. The reversal of 113993047 is 740399311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113993047 - 23 = 113993039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113992997 and 113993015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113993017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11079 + ... + 18727.

It is an arithmetic number, because the mean of its divisors is an integer number (16294500).

Almost surely, 2113993047 is an apocalyptic number.

113993047 is a deficient number, since it is larger than the sum of its proper divisors (16362953).

113993047 is an equidigital number, since it uses as much as digits as its factorization.

113993047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9785.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 113993047 is about 10676.7526430090. The cubic root of 113993047 is about 484.8709005593.

It can be divided in two parts, 11399304 and 7, that added together give a palindrome (11399311).

The spelling of 113993047 in words is "one hundred thirteen million, nine hundred ninety-three thousand, forty-seven".

Divisors: 1 7 2129 7649 14903 53543 16284721 113993047