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82116894 = 23109241521
BaseRepresentation
bin1001110010100…
…00000100011110
312201111222012110
410321100010132
5132010220034
612052014450
72014660566
oct471200436
9181458173
1082116894
1142397702
1223601426
1314021aa2
14ac97da6
157320de9
hex4e5011e

82116894 has 32 divisors (see below), whose sum is σ = 166747680. Its totient is φ = 26956800.

The previous prime is 82116869. The next prime is 82116899. The reversal of 82116894 is 49861128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82116899) 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 15 ways as a sum of consecutive naturals, for example, 157354 + ... + 157874.

It is an arithmetic number, because the mean of its divisors is an integer number (5210865).

Almost surely, 282116894 is an apocalyptic number.

82116894 is an abundant number, since it is smaller than the sum of its proper divisors (84630786).

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

82116894 is a wasteful number, since it uses less digits than its factorization.

82116894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876.

The product of its digits is 27648, while the sum is 39.

The square root of 82116894 is about 9061.8372309372. The cubic root of 82116894 is about 434.6544911350.

The spelling of 82116894 in words is "eighty-two million, one hundred sixteen thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 109 218 241 327 482 521 654 723 1042 1446 1563 3126 26269 52538 56789 78807 113578 125561 157614 170367 251122 340734 376683 753366 13686149 27372298 41058447 82116894