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31374148 = 2213603349
BaseRepresentation
bin111011110101…
…1101101000100
32012000222020111
41313223231010
531012433043
63040242404
7530450551
oct167535504
965028214
1031374148
1116789953
12a610404
1366665b0
144249a28
152b4b09d
hex1debb44

31374148 has 12 divisors (see below), whose sum is σ = 59128300. Its totient is φ = 14480352.

The previous prime is 31374137. The next prime is 31374151. The reversal of 31374148 is 84147313.

It can be written as a sum of positive squares in 2 ways, for example, as 5992704 + 25381444 = 2448^2 + 5038^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301623 + ... + 301726.

Almost surely, 231374148 is an apocalyptic number.

It is an amenable number.

31374148 is a deficient number, since it is larger than the sum of its proper divisors (27754152).

31374148 is a wasteful number, since it uses less digits than its factorization.

31374148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603366 (or 603364 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 31374148 is about 5601.2630718437. The cubic root of 31374148 is about 315.3968224748.

The spelling of 31374148 in words is "thirty-one million, three hundred seventy-four thousand, one hundred forty-eight".

Divisors: 1 2 4 13 26 52 603349 1206698 2413396 7843537 15687074 31374148