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113639041 = 254344687
BaseRepresentation
bin1101100010111…
…11111010000001
321220211110110101
412301133322001
5213042422131
615135402401
72546626105
oct661377201
9256743411
10113639041
115916776a
1232083401
131a70a849
1411141905
159e9ac61
hex6c5fe81

113639041 has 4 divisors (see below), whose sum is σ = 113686272. Its totient is φ = 113591812.

The previous prime is 113639011. The next prime is 113639047. The reversal of 113639041 is 140936311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113639041 - 223 = 105250433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113639047) 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, 19801 + ... + 24886.

It is an arithmetic number, because the mean of its divisors is an integer number (28421568).

Almost surely, 2113639041 is an apocalyptic number.

It is an amenable number.

113639041 is a deficient number, since it is larger than the sum of its proper divisors (47231).

113639041 is an equidigital number, since it uses as much as digits as its factorization.

113639041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47230.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 113639041 is about 10660.1613965268. The cubic root of 113639041 is about 484.3684570521.

The spelling of 113639041 in words is "one hundred thirteen million, six hundred thirty-nine thousand, forty-one".

Divisors: 1 2543 44687 113639041