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31364463 = 3134771241
BaseRepresentation
bin111011110100…
…1010101101111
32012000110221210
41313221111233
531012130323
63040125503
7530410404
oct167512557
965013853
1031364463
1116782649
12a606893
136662070
1442462ab
152b48293
hex1de956f

31364463 has 32 divisors (see below), whose sum is σ = 46835712. Its totient is φ = 18547200.

The previous prime is 31364461. The next prime is 31364483. The reversal of 31364463 is 36446313.

It is not a de Polignac number, because 31364463 - 21 = 31364461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31364463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31364461) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 130023 + ... + 130263.

It is an arithmetic number, because the mean of its divisors is an integer number (1463616).

Almost surely, 231364463 is an apocalyptic number.

31364463 is a deficient number, since it is larger than the sum of its proper divisors (15471249).

31364463 is a wasteful number, since it uses less digits than its factorization.

31364463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375.

The product of its digits is 15552, while the sum is 30.

The square root of 31364463 is about 5600.3984679664. The cubic root of 31364463 is about 315.3643654702.

Multiplying 31364463 by its sum of digits (30), we get a triangular number (940933890 = T43380).

The spelling of 31364463 in words is "thirty-one million, three hundred sixty-four thousand, four hundred sixty-three".

Divisors: 1 3 13 39 47 71 141 213 241 611 723 923 1833 2769 3133 3337 9399 10011 11327 17111 33981 43381 51333 130143 147251 222443 441753 667329 804217 2412651 10454821 31364463