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82831712 = 2511322907
BaseRepresentation
bin1001110111111…
…10100101100000
312202212021202012
410323332211200
5132201103322
612115212052
72024025605
oct473764540
9182767665
1082831712
1142835767
12238a7028
1314212262
14b0026ac
157412ae2
hex4efe960

82831712 has 24 divisors (see below), whose sum is σ = 164525256. Its totient is φ = 41047552.

The previous prime is 82831703. The next prime is 82831729. The reversal of 82831712 is 21713828.

It is a super-2 number, since 2×828317122 = 13722185025701888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7838 + ... + 15069.

It is an arithmetic number, because the mean of its divisors is an integer number (6855219).

Almost surely, 282831712 is an apocalyptic number.

It is an amenable number.

82831712 is a deficient number, since it is larger than the sum of its proper divisors (81693544).

82831712 is a wasteful number, since it uses less digits than its factorization.

82831712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23030 (or 23022 counting only the distinct ones).

The product of its digits is 5376, while the sum is 32.

The square root of 82831712 is about 9101.1928888470. The cubic root of 82831712 is about 435.9120547585.

The spelling of 82831712 in words is "eighty-two million, eight hundred thirty-one thousand, seven hundred twelve".

Divisors: 1 2 4 8 16 32 113 226 452 904 1808 3616 22907 45814 91628 183256 366512 733024 2588491 5176982 10353964 20707928 41415856 82831712