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50137231 is a prime number
BaseRepresentation
bin1011111101000…
…0100010001111
310111100020100111
42333100202033
5100313342411
64550340451
71146105454
oct277204217
9114306314
1050137231
1126334931
121495a727
13a505a01
14693182b
154605721
hex2fd088f

50137231 has 2 divisors, whose sum is σ = 50137232. Its totient is φ = 50137230.

The previous prime is 50137211. The next prime is 50137247. The reversal of 50137231 is 13273105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50137231 - 29 = 50136719 is a prime.

It is a super-2 number, since 2×501372312 = 5027483864694722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50137211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25068615 + 25068616.

It is an arithmetic number, because the mean of its divisors is an integer number (25068616).

Almost surely, 250137231 is an apocalyptic number.

50137231 is a deficient number, since it is larger than the sum of its proper divisors (1).

50137231 is an equidigital number, since it uses as much as digits as its factorization.

50137231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 50137231 is about 7080.7648598156. The cubic root of 50137231 is about 368.7398842001.

The spelling of 50137231 in words is "fifty million, one hundred thirty-seven thousand, two hundred thirty-one".