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113157461 is a prime number
BaseRepresentation
bin1101011111010…
…10010101010101
321212220222212002
412233222111111
5212432014321
615121205045
72542552064
oct657522525
9255828762
10113157461
115896896a
1231a90785
131a59c5a1
14110581db
159e0320b
hex6bea555

113157461 has 2 divisors, whose sum is σ = 113157462. Its totient is φ = 113157460.

The previous prime is 113157431. The next prime is 113157463. The reversal of 113157461 is 164751311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95433361 + 17724100 = 9769^2 + 4210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-113157461 is a prime.

It is a super-2 number, since 2×1131574612 = 25609221959933042, which contains 22 as substring.

Together with 113157463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113157463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56578730 + 56578731.

It is an arithmetic number, because the mean of its divisors is an integer number (56578731).

Almost surely, 2113157461 is an apocalyptic number.

It is an amenable number.

113157461 is a deficient number, since it is larger than the sum of its proper divisors (1).

113157461 is an equidigital number, since it uses as much as digits as its factorization.

113157461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 29.

The square root of 113157461 is about 10637.5495768527. The cubic root of 113157461 is about 483.6832686875.

The spelling of 113157461 in words is "one hundred thirteen million, one hundred fifty-seven thousand, four hundred sixty-one".