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31494244 = 2273107857
BaseRepresentation
bin111100000100…
…1000001100100
32012021001222111
41320021001210
531030303434
63043010404
7531460645
oct170110144
965231874
1031494244
1116861101
12a669a04
1366a9162
14427b6cc
152b71964
hex1e09064

31494244 has 12 divisors (see below), whose sum is σ = 55870444. Its totient is φ = 15531264.

The previous prime is 31494241. The next prime is 31494247. The reversal of 31494244 is 44249413.

It is an interprime number because it is at equal distance from previous prime (31494241) and next prime (31494247).

It can be written as a sum of positive squares in 2 ways, for example, as 13601344 + 17892900 = 3688^2 + 4230^2 .

It is not an unprimeable number, because it can be changed into a prime (31494241) 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, 53637 + ... + 54220.

Almost surely, 231494244 is an apocalyptic number.

It is an amenable number.

31494244 is a deficient number, since it is larger than the sum of its proper divisors (24376200).

31494244 is a wasteful number, since it uses less digits than its factorization.

31494244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107934 (or 107932 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 31494244 is about 5611.9732714973. The cubic root of 31494244 is about 315.7987422211.

The spelling of 31494244 in words is "thirty-one million, four hundred ninety-four thousand, two hundred forty-four".

Divisors: 1 2 4 73 146 292 107857 215714 431428 7873561 15747122 31494244