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479492131 is a prime number
BaseRepresentation
bin11100100101000…
…111100000100011
31020102020201112211
4130211013200203
51440222222011
6115325102551
714611421146
oct3445074043
91212221484
10479492131
1122672a598
121146b7a57
1378454771
144797805d
152c166b21
hex1c947823

479492131 has 2 divisors, whose sum is σ = 479492132. Its totient is φ = 479492130.

The previous prime is 479492099. The next prime is 479492149. The reversal of 479492131 is 131294974.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 479492131 - 25 = 479492099 is a prime.

It is a super-2 number, since 2×4794921312 = 459825407381842322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (479495131) 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, 239746065 + 239746066.

It is an arithmetic number, because the mean of its divisors is an integer number (239746066).

Almost surely, 2479492131 is an apocalyptic number.

479492131 is a deficient number, since it is larger than the sum of its proper divisors (1).

479492131 is an equidigital number, since it uses as much as digits as its factorization.

479492131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 40.

The square root of 479492131 is about 21897.3087615807. The cubic root of 479492131 is about 782.6972863515.

The spelling of 479492131 in words is "four hundred seventy-nine million, four hundred ninety-two thousand, one hundred thirty-one".