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494565031 = 2671185161
BaseRepresentation
bin11101011110100…
…111011010100111
31021110121111200101
4131132213122213
52003102040111
6121024124531
715153506362
oct3536473247
91243544611
10494565031
11234195034
12119766747
137b60133c
144997d0d9
152d642bc1
hex1d7a76a7

494565031 has 4 divisors (see below), whose sum is σ = 494752864. Its totient is φ = 494377200.

The previous prime is 494565023. The next prime is 494565047. The reversal of 494565031 is 130565494.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 494565031 - 23 = 494565023 is a prime.

It is a super-2 number, since 2×4945650312 = 489189139776061922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494565011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89910 + ... + 95251.

It is an arithmetic number, because the mean of its divisors is an integer number (123688216).

Almost surely, 2494565031 is an apocalyptic number.

494565031 is a deficient number, since it is larger than the sum of its proper divisors (187833).

494565031 is a wasteful number, since it uses less digits than its factorization.

494565031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187832.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 494565031 is about 22238.8181115814. The cubic root of 494565031 is about 790.8142174164.

The spelling of 494565031 in words is "four hundred ninety-four million, five hundred sixty-five thousand, thirty-one".

Divisors: 1 2671 185161 494565031