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493031 = 71119337
BaseRepresentation
bin1111000010111100111
3221001022102
41320113213
5111234111
614322315
74122260
oct1702747
9831272
10493031
11307470
121b939b
13143546
14cb967
159b13b
hex785e7

493031 has 16 divisors (see below), whose sum is σ = 648960. Its totient is φ = 362880.

The previous prime is 493027. The next prime is 493043. The reversal of 493031 is 130394.

It is not a de Polignac number, because 493031 - 22 = 493027 is a prime.

It is a super-2 number, since 2×4930312 = 486159133922, 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 = 492994 and 493012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1295 + ... + 1631.

It is an arithmetic number, because the mean of its divisors is an integer number (40560).

2493031 is an apocalyptic number.

493031 is a deficient number, since it is larger than the sum of its proper divisors (155929).

493031 is a wasteful number, since it uses less digits than its factorization.

493031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 493031 is about 702.1616622972. The cubic root of 493031 is about 78.9995727157. Note that the first 3 decimals are identical.

The spelling of 493031 in words is "four hundred ninety-three thousand, thirty-one".

Divisors: 1 7 11 19 77 133 209 337 1463 2359 3707 6403 25949 44821 70433 493031