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31446042 = 237197761
BaseRepresentation
bin111011111110…
…1010000011010
32012011121212020
41313331100122
531022233132
63041555310
7531200265
oct167752032
965147766
1031446042
1116828971
12a645b36
136690234
144267cdc
152b6252c
hex1dfd41a

31446042 has 32 divisors (see below), whose sum is σ = 64520064. Its totient is φ = 10214400.

The previous prime is 31446031. The next prime is 31446053. The reversal of 31446042 is 24064413.

It is an interprime number because it is at equal distance from previous prime (31446031) and next prime (31446053).

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, 40942 + ... + 41702.

It is an arithmetic number, because the mean of its divisors is an integer number (2016252).

Almost surely, 231446042 is an apocalyptic number.

31446042 is an abundant number, since it is smaller than the sum of its proper divisors (33074022).

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

31446042 is a wasteful number, since it uses less digits than its factorization.

31446042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 31446042 is about 5607.6770591752. The cubic root of 31446042 is about 315.6375497673.

The spelling of 31446042 in words is "thirty-one million, four hundred forty-six thousand, forty-two".

Divisors: 1 2 3 6 71 97 142 194 213 291 426 582 761 1522 2283 4566 6887 13774 20661 41322 54031 73817 108062 147634 162093 221451 324186 442902 5241007 10482014 15723021 31446042