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31446044 = 2272831933
BaseRepresentation
bin111011111110…
…1010000011100
32012011121212022
41313331100130
531022233134
63041555312
7531200300
oct167752034
965147768
1031446044
1116828973
12a645b38
136690236
144267d00
152b6252e
hex1dfd41c

31446044 has 36 divisors (see below), whose sum is σ = 64819944. Its totient is φ = 13307616.

The previous prime is 31446031. The next prime is 31446053. The reversal of 31446044 is 44064413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15302 + ... + 17234.

It is an arithmetic number, because the mean of its divisors is an integer number (1800554).

Almost surely, 231446044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31446044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32409972).

31446044 is an abundant number, since it is smaller than the sum of its proper divisors (33373900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31446044 is a wasteful number, since it uses less digits than its factorization.

31446044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034 (or 2025 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 31446044 is about 5607.6772375022. The cubic root of 31446044 is about 315.6375564589.

The spelling of 31446044 in words is "thirty-one million, four hundred forty-six thousand, forty-four".

Divisors: 1 2 4 7 14 28 49 83 98 166 196 332 581 1162 1933 2324 3866 4067 7732 8134 13531 16268 27062 54124 94717 160439 189434 320878 378868 641756 1123073 2246146 4492292 7861511 15723022 31446044