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31482093 = 310494031
BaseRepresentation
bin111100000011…
…0000011101101
32012020110022110
41320012003231
531024411333
63042434233
7531410346
oct170060355
965213273
1031482093
1116852a65
12a662979
1366a3776
1442770cd
152b6d063
hex1e060ed

31482093 has 4 divisors (see below), whose sum is σ = 41976128. Its totient is φ = 20988060.

The previous prime is 31482089. The next prime is 31482097. The reversal of 31482093 is 39028413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (31482089) and next prime (31482097).

It is not a de Polignac number, because 31482093 - 22 = 31482089 is a prime.

It is a super-2 number, since 2×314820932 = 1982244359321298, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31482093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31482097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5247013 + ... + 5247018.

It is an arithmetic number, because the mean of its divisors is an integer number (10494032).

Almost surely, 231482093 is an apocalyptic number.

It is an amenable number.

31482093 is a deficient number, since it is larger than the sum of its proper divisors (10494035).

31482093 is a wasteful number, since it uses less digits than its factorization.

31482093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10494034.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 31482093 is about 5610.8905710235. The cubic root of 31482093 is about 315.7581235384.

The spelling of 31482093 in words is "thirty-one million, four hundred eighty-two thousand, ninety-three".

Divisors: 1 3 10494031 31482093