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31297414 = 231504797
BaseRepresentation
bin111011101100…
…0111110000110
32011220001222111
41313120332012
531003004124
63034451234
7530011051
oct167307606
964801874
1031297414
1116737235
12a593b1a
13663a6a5
144229a98
152b33494
hex1dd8f86

31297414 has 8 divisors (see below), whose sum is σ = 48460608. Its totient is φ = 15143880.

The previous prime is 31297397. The next prime is 31297417. The reversal of 31297414 is 41479213.

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

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31297417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252337 + ... + 252460.

It is an arithmetic number, because the mean of its divisors is an integer number (6057576).

Almost surely, 231297414 is an apocalyptic number.

31297414 is a deficient number, since it is larger than the sum of its proper divisors (17163194).

31297414 is a wasteful number, since it uses less digits than its factorization.

31297414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504830.

The product of its digits is 6048, while the sum is 31.

The square root of 31297414 is about 5594.4091734517. The cubic root of 31297414 is about 315.1394830329.

The spelling of 31297414 in words is "thirty-one million, two hundred ninety-seven thousand, four hundred fourteen".

Divisors: 1 2 31 62 504797 1009594 15648707 31297414