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82480518 = 237109173
BaseRepresentation
bin1001110101010…
…00110110000110
312202012110000000
410322220312012
5132103334033
612103502130
72021033661
oct472506606
9182173000
1082480518
114261591a
1223757946
131411b453
14ad506d8
157393a13
hex4ea8d86

82480518 has 64 divisors (see below), whose sum is σ = 188337600. Its totient is φ = 27083808.

The previous prime is 82480499. The next prime is 82480537. The reversal of 82480518 is 81508428.

It is an interprime number because it is at equal distance from previous prime (82480499) and next prime (82480537).

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 31 ways as a sum of consecutive naturals, for example, 476680 + ... + 476852.

It is an arithmetic number, because the mean of its divisors is an integer number (2942775).

Almost surely, 282480518 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82480518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94168800).

82480518 is an abundant number, since it is smaller than the sum of its proper divisors (105857082).

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

82480518 is a wasteful number, since it uses less digits than its factorization.

82480518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 82480518 is about 9081.8785501679. The cubic root of 82480518 is about 435.2951148425.

The spelling of 82480518 in words is "eighty-two million, four hundred eighty thousand, five hundred eighteen".

Divisors: 1 2 3 6 9 18 27 54 81 109 162 173 218 243 327 346 486 519 654 729 981 1038 1458 1557 1962 2187 2943 3114 4374 4671 5886 8829 9342 14013 17658 18857 26487 28026 37714 42039 52974 56571 79461 84078 113142 126117 158922 169713 238383 252234 339426 378351 476766 509139 756702 1018278 1527417 3054834 4582251 9164502 13746753 27493506 41240259 82480518