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507431 is a prime number
BaseRepresentation
bin1111011111000100111
3221210001202
41323320213
5112214211
614513115
74212251
oct1737047
9853052
10507431
11317271
1220579b
13149c72
14d2cd1
15a053b
hex7be27

507431 has 2 divisors, whose sum is σ = 507432. Its totient is φ = 507430.

The previous prime is 507421. The next prime is 507461. The reversal of 507431 is 134705.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-507431 is a prime.

It is a super-2 number, since 2×5074312 = 514972439522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (507401) 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, 253715 + 253716.

It is an arithmetic number, because the mean of its divisors is an integer number (253716).

2507431 is an apocalyptic number.

507431 is a deficient number, since it is larger than the sum of its proper divisors (1).

507431 is an equidigital number, since it uses as much as digits as its factorization.

507431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 507431 is about 712.3419122865. The cubic root of 507431 is about 79.7613198555.

The spelling of 507431 in words is "five hundred seven thousand, four hundred thirty-one".