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31764968 = 236759263
BaseRepresentation
bin111100100101…
…1000111101000
32012202211100022
41321023013220
531112434333
63052500012
7533666144
oct171130750
965684308
1031764968
1116a26544
12a77a608
136772451
14430c224
152bc6c98
hex1e4b1e8

31764968 has 16 divisors (see below), whose sum is σ = 60449280. Its totient is φ = 15645168.

The previous prime is 31764949. The next prime is 31764973. The reversal of 31764968 is 86946713.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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, 29096 + ... + 30167.

It is an arithmetic number, because the mean of its divisors is an integer number (3778080).

Almost surely, 231764968 is an apocalyptic number.

It is an amenable number.

31764968 is a deficient number, since it is larger than the sum of its proper divisors (28684312).

31764968 is a wasteful number, since it uses less digits than its factorization.

31764968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59336 (or 59332 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 31764968 is about 5636.0418735137. The cubic root of 31764968 is about 316.7010287119.

The spelling of 31764968 in words is "thirty-one million, seven hundred sixty-four thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 67 134 268 536 59263 118526 237052 474104 3970621 7941242 15882484 31764968