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113757031 = 313736263
BaseRepresentation
bin1101100011111…
…00101101100111
321221001110022101
412301330231213
5213110211111
615142112531
72550630103
oct661745547
9257043271
10113757031
1159238383
123211b747
131a74c46b
1411172903
159ec0bc1
hex6c7cb67

113757031 has 4 divisors (see below), whose sum is σ = 113796432. Its totient is φ = 113717632.

The previous prime is 113757029. The next prime is 113757043. The reversal of 113757031 is 130757311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130757311 = 839155849.

It is a cyclic number.

It is not a de Polignac number, because 113757031 - 21 = 113757029 is a prime.

It is a super-2 number, since 2×1137570312 = 25881324203869922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113757071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14995 + ... + 21268.

It is an arithmetic number, because the mean of its divisors is an integer number (28449108).

Almost surely, 2113757031 is an apocalyptic number.

113757031 is a deficient number, since it is larger than the sum of its proper divisors (39401).

113757031 is an equidigital number, since it uses as much as digits as its factorization.

113757031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39400.

The product of its (nonzero) digits is 2205, while the sum is 28.

The square root of 113757031 is about 10665.6941171215. The cubic root of 113757031 is about 484.5360369775.

The spelling of 113757031 in words is "one hundred thirteen million, seven hundred fifty-seven thousand, thirty-one".

Divisors: 1 3137 36263 113757031