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31434292 = 22171094241
BaseRepresentation
bin111011111101…
…0011000110100
32012011000202001
41313322120310
531021344132
63041425044
7531121111
oct167723064
965130661
1031434292
111682005a
12a63b184
136687a96
144263908
152b5dce7
hex1dfa634

31434292 has 24 divisors (see below), whose sum is σ = 58794120. Its totient is φ = 14653440.

The previous prime is 31434287. The next prime is 31434329. The reversal of 31434292 is 29243413.

It can be written as a sum of positive squares in 4 ways, for example, as 21473956 + 9960336 = 4634^2 + 3156^2 .

It is a super-2 number, since 2×314342922 = 1976229427082528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31434292.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5292 + ... + 9532.

It is an arithmetic number, because the mean of its divisors is an integer number (2449755).

Almost surely, 231434292 is an apocalyptic number.

It is an amenable number.

31434292 is a deficient number, since it is larger than the sum of its proper divisors (27359828).

31434292 is a wasteful number, since it uses less digits than its factorization.

31434292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4371 (or 4369 counting only the distinct ones).

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

The square root of 31434292 is about 5606.6292904026. The cubic root of 31434292 is about 315.5982315892.

The spelling of 31434292 in words is "thirty-one million, four hundred thirty-four thousand, two hundred ninety-two".

Divisors: 1 2 4 17 34 68 109 218 436 1853 3706 4241 7412 8482 16964 72097 144194 288388 462269 924538 1849076 7858573 15717146 31434292