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82186968 = 2333424457
BaseRepresentation
bin1001110011000…
…01001011011000
312201122112022210
410321201023120
5132014440333
612053315120
72015402103
oct471411330
9181575283
1082186968
1142435316
1223635aa0
1314047956
14acb573a
157336a63
hex4e612d8

82186968 has 16 divisors (see below), whose sum is σ = 205467480. Its totient is φ = 27395648.

The previous prime is 82186967. The next prime is 82186987. The reversal of 82186968 is 86968128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82186967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1712205 + ... + 1712252.

Almost surely, 282186968 is an apocalyptic number.

It is an amenable number.

82186968 is an abundant number, since it is smaller than the sum of its proper divisors (123280512).

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

82186968 is a wasteful number, since it uses less digits than its factorization.

82186968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424466 (or 3424462 counting only the distinct ones).

The product of its digits is 331776, while the sum is 48.

The square root of 82186968 is about 9065.7028409274. The cubic root of 82186968 is about 434.7780926569.

The spelling of 82186968 in words is "eighty-two million, one hundred eighty-six thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 3424457 6848914 10273371 13697828 20546742 27395656 41093484 82186968