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31682068 = 22112712657
BaseRepresentation
bin111100011011…
…0111000010100
32012121121121221
41320312320110
531102311233
63051020124
7533202355
oct170667024
965547557
1031682068
111697a230
12a73a644
1367437b2
1442c9d2c
152bac42d
hex1e36e14

31682068 has 24 divisors (see below), whose sum is σ = 60729984. Its totient is φ = 14342400.

The previous prime is 31682051. The next prime is 31682069. The reversal of 31682068 is 86028613.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31682069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10596 + ... + 13252.

It is an arithmetic number, because the mean of its divisors is an integer number (2530416).

Almost surely, 231682068 is an apocalyptic number.

It is an amenable number.

31682068 is a deficient number, since it is larger than the sum of its proper divisors (29047916).

31682068 is a wasteful number, since it uses less digits than its factorization.

31682068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2943 (or 2941 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 31682068 is about 5628.6826167408. The cubic root of 31682068 is about 316.4252806187.

The spelling of 31682068 in words is "thirty-one million, six hundred eighty-two thousand, sixty-eight".

Divisors: 1 2 4 11 22 44 271 542 1084 2657 2981 5314 5962 10628 11924 29227 58454 116908 720047 1440094 2880188 7920517 15841034 31682068