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82054588 = 22711266411
BaseRepresentation
bin1001110010000…
…00110110111100
312201101210201211
410321000312330
5132001221323
612050414204
72014311130
oct471006674
9181353654
1082054588
1142354910
1223591364
1313ccc615
14ac7d3c0
15730c70d
hex4e40dbc

82054588 has 24 divisors (see below), whose sum is σ = 179028864. Its totient is φ = 31969200.

The previous prime is 82054561. The next prime is 82054589. The reversal of 82054588 is 88545028.

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 82054588.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82054589) 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, 132898 + ... + 133513.

It is an arithmetic number, because the mean of its divisors is an integer number (7459536).

Almost surely, 282054588 is an apocalyptic number.

It is an amenable number.

82054588 is an abundant number, since it is smaller than the sum of its proper divisors (96974276).

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

82054588 is a wasteful number, since it uses less digits than its factorization.

82054588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266433 (or 266431 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 40.

The square root of 82054588 is about 9058.3987547469. The cubic root of 82054588 is about 434.5445322960.

The spelling of 82054588 in words is "eighty-two million, fifty-four thousand, five hundred eighty-eight".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 266411 532822 1065644 1864877 2930521 3729754 5861042 7459508 11722084 20513647 41027294 82054588