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31274204 = 22132379331
BaseRepresentation
bin111011101001…
…1010011011100
32011211220010212
41313103103130
531001233304
63034151552
7526553303
oct167232334
964756125
1031274204
1116720855
12a5825b8
13662cc60
14422143a
152b2b66e
hex1dd34dc

31274204 has 48 divisors (see below), whose sum is σ = 62469120. Its totient is φ = 13590720.

The previous prime is 31274183. The next prime is 31274263. The reversal of 31274204 is 40247213.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 31274204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94319 + ... + 94649.

It is an arithmetic number, because the mean of its divisors is an integer number (1301440).

Almost surely, 231274204 is an apocalyptic number.

It is an amenable number.

31274204 is a deficient number, since it is larger than the sum of its proper divisors (31194916).

31274204 is a wasteful number, since it uses less digits than its factorization.

31274204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 31274204 is about 5592.3343962964. The cubic root of 31274204 is about 315.0615618320.

The spelling of 31274204 in words is "thirty-one million, two hundred seventy-four thousand, two hundred four".

Divisors: 1 2 4 13 23 26 46 52 79 92 158 299 316 331 598 662 1027 1196 1324 1817 2054 3634 4108 4303 7268 7613 8606 15226 17212 23621 26149 30452 47242 52298 94484 98969 104596 197938 339937 395876 601427 679874 1202854 1359748 2405708 7818551 15637102 31274204