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82568838 = 23111251043
BaseRepresentation
bin1001110101111…
…10011010000110
312202100221011010
410322332122012
5132114200323
612105423050
72021552322
oct472763206
9182327133
1082568838
1142676210
122379aa86
131414c701
14ad74982
1573aec93
hex4ebe686

82568838 has 16 divisors (see below), whose sum is σ = 180150336. Its totient is φ = 25020840.

The previous prime is 82568831. The next prime is 82568861. The reversal of 82568838 is 83886528.

It is a super-2 number, since 2×825688382 = 13635226017340488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82568831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625456 + ... + 625587.

It is an arithmetic number, because the mean of its divisors is an integer number (11259396).

Almost surely, 282568838 is an apocalyptic number.

82568838 is an abundant number, since it is smaller than the sum of its proper divisors (97581498).

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

82568838 is a wasteful number, since it uses less digits than its factorization.

82568838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251059.

The product of its digits is 737280, while the sum is 48.

The square root of 82568838 is about 9086.7396793349. The cubic root of 82568838 is about 435.4504305108.

The spelling of 82568838 in words is "eighty-two million, five hundred sixty-eight thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 11 22 33 66 1251043 2502086 3753129 7506258 13761473 27522946 41284419 82568838