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31494326 = 2313713729
BaseRepresentation
bin111100000100…
…1000010110110
32012021002002112
41320021002312
531030304301
63043011022
7531461123
oct170110266
965232075
1031494326
1116861176
12a669a72
1366a91c6
14427b74a
152b719bb
hex1e090b6

31494326 has 16 divisors (see below), whose sum is σ = 50087040. Its totient is φ = 14826240.

The previous prime is 31494301. The next prime is 31494347. The reversal of 31494326 is 62349413.

It is a junction number, because it is equal to n+sod(n) for n = 31494292 and 31494301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4571 + ... + 9158.

It is an arithmetic number, because the mean of its divisors is an integer number (3130440).

Almost surely, 231494326 is an apocalyptic number.

31494326 is a deficient number, since it is larger than the sum of its proper divisors (18592714).

31494326 is a wasteful number, since it uses less digits than its factorization.

31494326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13799.

The product of its digits is 15552, while the sum is 32.

The square root of 31494326 is about 5611.9805773007. The cubic root of 31494326 is about 315.7990162974.

The spelling of 31494326 in words is "thirty-one million, four hundred ninety-four thousand, three hundred twenty-six".

Divisors: 1 2 31 37 62 74 1147 2294 13729 27458 425599 507973 851198 1015946 15747163 31494326