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31493348 = 2223342319
BaseRepresentation
bin111100000100…
…0110011100100
32012021000202022
41320020303210
531030241343
63043002312
7531455225
oct170106344
965230668
1031493348
1116860467
12a669398
1366a8923
14427b24c
152b71568
hex1e08ce4

31493348 has 12 divisors (see below), whose sum is σ = 57509760. Its totient is φ = 15061992.

The previous prime is 31493347. The next prime is 31493353. The reversal of 31493348 is 84339413.

It is not an unprimeable number, because it can be changed into a prime (31493347) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 171068 + ... + 171251.

It is an arithmetic number, because the mean of its divisors is an integer number (4792480).

Almost surely, 231493348 is an apocalyptic number.

It is an amenable number.

31493348 is a deficient number, since it is larger than the sum of its proper divisors (26016412).

31493348 is a wasteful number, since it uses less digits than its factorization.

31493348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342346 (or 342344 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 31493348 is about 5611.8934416113. The cubic root of 31493348 is about 315.7957474056.

The spelling of 31493348 in words is "thirty-one million, four hundred ninety-three thousand, three hundred forty-eight".

Divisors: 1 2 4 23 46 92 342319 684638 1369276 7873337 15746674 31493348