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31326896 = 2419103049
BaseRepresentation
bin111011110000…
…0001010110000
32011221120102102
41313200022300
531004430041
63035235532
7530163026
oct167401260
964846372
1031326896
11167573a7
12a5a8ba8
13664ac33
144236716
152b3c09b
hex1de02b0

31326896 has 20 divisors (see below), whose sum is σ = 63891000. Its totient is φ = 14838912.

The previous prime is 31326881. The next prime is 31326899. The reversal of 31326896 is 69862313.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (31326899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51221 + ... + 51828.

It is an arithmetic number, because the mean of its divisors is an integer number (3194550).

Almost surely, 231326896 is an apocalyptic number.

It is an amenable number.

31326896 is an abundant number, since it is smaller than the sum of its proper divisors (32564104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31326896 is a wasteful number, since it uses less digits than its factorization.

31326896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103076 (or 103070 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 31326896 is about 5597.0435052803. The cubic root of 31326896 is about 315.2384052253.

The spelling of 31326896 in words is "thirty-one million, three hundred twenty-six thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 16 19 38 76 152 304 103049 206098 412196 824392 1648784 1957931 3915862 7831724 15663448 31326896