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31368670 = 253136867
BaseRepresentation
bin111011110101…
…0010111011110
32012000200201121
41313222113132
531012244140
63040201154
7530425564
oct167522736
965020647
1031368670
1116785823
12a6091ba
136663c58
144247a34
152b4964a
hex1dea5de

31368670 has 8 divisors (see below), whose sum is σ = 56463624. Its totient is φ = 12547464.

The previous prime is 31368661. The next prime is 31368697. The reversal of 31368670 is 7686313.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1568424 + ... + 1568443.

It is an arithmetic number, because the mean of its divisors is an integer number (7057953).

Almost surely, 231368670 is an apocalyptic number.

31368670 is a deficient number, since it is larger than the sum of its proper divisors (25094954).

31368670 is a wasteful number, since it uses less digits than its factorization.

31368670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136874.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 31368670 is about 5600.7740536465. The cubic root of 31368670 is about 315.3784650641.

The spelling of 31368670 in words is "thirty-one million, three hundred sixty-eight thousand, six hundred seventy".

Divisors: 1 2 5 10 3136867 6273734 15684335 31368670