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31664314 = 2111439287
BaseRepresentation
bin111100011001…
…0100010111010
32012120201021101
41320302202322
531101224224
63050402014
7533066533
oct170624272
965521241
1031664314
1116967960
12a73030a
1367386a6
1442c368a
152ba7044
hex1e328ba

31664314 has 8 divisors (see below), whose sum is σ = 51814368. Its totient is φ = 14392860.

The previous prime is 31664309. The next prime is 31664327. The reversal of 31664314 is 41346613.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 719622 + ... + 719665.

It is an arithmetic number, because the mean of its divisors is an integer number (6476796).

Almost surely, 231664314 is an apocalyptic number.

31664314 is a deficient number, since it is larger than the sum of its proper divisors (20150054).

31664314 is a wasteful number, since it uses less digits than its factorization.

31664314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439300.

The product of its digits is 5184, while the sum is 28.

The square root of 31664314 is about 5627.1052949096. The cubic root of 31664314 is about 316.3661634326.

The spelling of 31664314 in words is "thirty-one million, six hundred sixty-four thousand, three hundred fourteen".

Divisors: 1 2 11 22 1439287 2878574 15832157 31664314