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82092638 = 2320912791
BaseRepresentation
bin1001110010010…
…10001001011110
312201110201221002
410321022021132
5132003431023
612051310302
72014530065
oct471121136
9181421832
1082092638
1142380461
12235ab392
1314013a34
14ac8d1dc
157318b28
hex4e4a25e

82092638 has 8 divisors (see below), whose sum is σ = 123186960. Its totient is φ = 41030320.

The previous prime is 82092617. The next prime is 82092671. The reversal of 82092638 is 83629028.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 23 + ... + 12813.

It is an arithmetic number, because the mean of its divisors is an integer number (15398370).

Almost surely, 282092638 is an apocalyptic number.

82092638 is a deficient number, since it is larger than the sum of its proper divisors (41094322).

82092638 is a wasteful number, since it uses less digits than its factorization.

82092638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16002.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 82092638 is about 9060.4987721427. The cubic root of 82092638 is about 434.6116902891.

The spelling of 82092638 in words is "eighty-two million, ninety-two thousand, six hundred thirty-eight".

Divisors: 1 2 3209 6418 12791 25582 41046319 82092638