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82109014 = 21317185767
BaseRepresentation
bin1001110010011…
…10001001010110
312201111120101121
410321032021112
5132004442024
612051514154
72014625611
oct471161126
9181446347
1082109014
1142391799
12235b895a
131401b320
14ac95178
15731d8e4
hex4e4e256

82109014 has 16 divisors (see below), whose sum is σ = 140440608. Its totient is φ = 35667072.

The previous prime is 82108991. The next prime is 82109017. The reversal of 82109014 is 41090128.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 82109014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82109017) 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, 92442 + ... + 93325.

It is an arithmetic number, because the mean of its divisors is an integer number (8777538).

Almost surely, 282109014 is an apocalyptic number.

82109014 is a deficient number, since it is larger than the sum of its proper divisors (58331594).

82109014 is a wasteful number, since it uses less digits than its factorization.

82109014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185799.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 82109014 is about 9061.4024300877. The cubic root of 82109014 is about 434.6405874311.

The spelling of 82109014 in words is "eighty-two million, one hundred nine thousand, fourteen".

Divisors: 1 2 13 17 26 34 221 442 185767 371534 2414971 3158039 4829942 6316078 41054507 82109014