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82293666 = 23713150721
BaseRepresentation
bin1001110011110…
…11001110100010
312201211221200120
410321323032202
5132031344131
612055501110
72016325140
oct471731642
9181757616
1082293666
11424a84a4
1223687796
13140843a0
14ad02590
157358496
hex4e7b3a2

82293666 has 32 divisors (see below), whose sum is σ = 202570368. Its totient is φ = 21703680.

The previous prime is 82293643. The next prime is 82293667. The reversal of 82293666 is 66639228.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (82293667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74815 + ... + 75906.

It is an arithmetic number, because the mean of its divisors is an integer number (6330324).

Almost surely, 282293666 is an apocalyptic number.

82293666 is an abundant number, since it is smaller than the sum of its proper divisors (120276702).

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

82293666 is a wasteful number, since it uses less digits than its factorization.

82293666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150746.

The product of its digits is 186624, while the sum is 42.

The square root of 82293666 is about 9071.5856386852. The cubic root of 82293666 is about 434.9661593439.

The spelling of 82293666 in words is "eighty-two million, two hundred ninety-three thousand, six hundred sixty-six".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 91 182 273 546 150721 301442 452163 904326 1055047 1959373 2110094 3165141 3918746 5878119 6330282 11756238 13715611 27431222 41146833 82293666