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542258831 is a prime number
BaseRepresentation
bin100000010100100…
…011011010001111
31101210100121021102
4200110203122033
52102304240311
6125450253315
716303060352
oct4024433217
91353317242
10542258831
112591000a4
1213172723b
138845cb1a
1452036299
153291443b
hex2052368f

542258831 has 2 divisors, whose sum is σ = 542258832. Its totient is φ = 542258830.

The previous prime is 542258813. The next prime is 542258867. The reversal of 542258831 is 138852245.

Together with previous prime (542258813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542258831 - 218 = 541996687 is a prime.

It is a super-2 number, since 2×5422588312 = 588089279594973122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542258891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271129415 + 271129416.

It is an arithmetic number, because the mean of its divisors is an integer number (271129416).

Almost surely, 2542258831 is an apocalyptic number.

542258831 is a deficient number, since it is larger than the sum of its proper divisors (1).

542258831 is an equidigital number, since it uses as much as digits as its factorization.

542258831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76800, while the sum is 38.

The square root of 542258831 is about 23286.4516618569. The cubic root of 542258831 is about 815.4591518673.

The spelling of 542258831 in words is "five hundred forty-two million, two hundred fifty-eight thousand, eight hundred thirty-one".