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31342674 = 23113115319
BaseRepresentation
bin111011110010…
…0000001010010
32011222101001210
41313210001102
531010431144
63035440550
7530260026
oct167440122
964871053
1031342674
1116768240
12a5b6156
13665517c
14423c386
152b41ab9
hex1de4052

31342674 has 32 divisors (see below), whose sum is σ = 70594560. Its totient is φ = 9190800.

The previous prime is 31342669. The next prime is 31342681. The reversal of 31342674 is 47624313.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5614 + ... + 9705.

It is an arithmetic number, because the mean of its divisors is an integer number (2206080).

Almost surely, 231342674 is an apocalyptic number.

31342674 is an abundant number, since it is smaller than the sum of its proper divisors (39251886).

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

31342674 is a wasteful number, since it uses less digits than its factorization.

31342674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15366.

The product of its digits is 12096, while the sum is 30.

The square root of 31342674 is about 5598.4528219857. The cubic root of 31342674 is about 315.2913203173.

Adding to 31342674 its reverse (47624313), we get a palindrome (78966987).

The spelling of 31342674 in words is "thirty-one million, three hundred forty-two thousand, six hundred seventy-four".

Divisors: 1 2 3 6 11 22 31 33 62 66 93 186 341 682 1023 2046 15319 30638 45957 91914 168509 337018 474889 505527 949778 1011054 1424667 2849334 5223779 10447558 15671337 31342674