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113857793 = 716265399
BaseRepresentation
bin1101100100101…
…01010100000001
321221020120112022
412302111110001
5213121422133
615144211225
72551526630
oct662252401
9257216468
10113857793
11592a7055
1232169b15
131a78629a
141119b517
159ee0998
hex6c95501

113857793 has 4 divisors (see below), whose sum is σ = 130123200. Its totient is φ = 97592388.

The previous prime is 113857763. The next prime is 113857811. The reversal of 113857793 is 397758311.

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, and also an emirpimes, since its reverse is a distinct semiprime: 397758311 = 1512634161.

It is a cyclic number.

It is not a de Polignac number, because 113857793 - 216 = 113792257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113857763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8132693 + ... + 8132706.

It is an arithmetic number, because the mean of its divisors is an integer number (32530800).

Almost surely, 2113857793 is an apocalyptic number.

It is an amenable number.

113857793 is a deficient number, since it is larger than the sum of its proper divisors (16265407).

113857793 is an equidigital number, since it uses as much as digits as its factorization.

113857793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16265406.

The product of its digits is 158760, while the sum is 44.

The square root of 113857793 is about 10670.4167210095. The cubic root of 113857793 is about 484.6790564511.

The spelling of 113857793 in words is "one hundred thirteen million, eight hundred fifty-seven thousand, seven hundred ninety-three".

Divisors: 1 7 16265399 113857793