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495031 = 1633037
BaseRepresentation
bin1111000110110110111
3221011001111
41320312313
5111320111
614335451
74131145
oct1706667
9834044
10495031
11308a19
121ba587
13144424
14cc595
159ba21
hex78db7

495031 has 4 divisors (see below), whose sum is σ = 498232. Its totient is φ = 491832.

The previous prime is 495017. The next prime is 495037. The reversal of 495031 is 130594.

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 495031 - 27 = 494903 is a prime.

It is a super-2 number, since 2×4950312 = 490111381922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 494993 and 495011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495037) 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 in 3 ways as a sum of consecutive naturals, for example, 1356 + ... + 1681.

It is an arithmetic number, because the mean of its divisors is an integer number (124558).

2495031 is an apocalyptic number.

495031 is a deficient number, since it is larger than the sum of its proper divisors (3201).

495031 is a wasteful number, since it uses less digits than its factorization.

495031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 495031 is about 703.5843943693. The cubic root of 495031 is about 79.1062502420.

The spelling of 495031 in words is "four hundred ninety-five thousand, thirty-one".

Divisors: 1 163 3037 495031