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82282512 = 24313294547
BaseRepresentation
bin1001110011110…
…00100000010000
312201211101101110
410321320200100
5132031020022
612055333320
72016250464
oct471704020
9181741343
1082282512
11424a0084
1223681240
131407c2a0
14acdc4a4
15735500c
hex4e78810

82282512 has 80 divisors (see below), whose sum is σ = 236859840. Its totient is φ = 24439296.

The previous prime is 82282493. The next prime is 82282537. The reversal of 82282512 is 21528228.

It is a self number, because there is not a number n which added to its sum of digits gives 82282512.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15823 + ... + 20369.

It is an arithmetic number, because the mean of its divisors is an integer number (2960748).

Almost surely, 282282512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82282512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118429920).

82282512 is an abundant number, since it is smaller than the sum of its proper divisors (154577328).

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

82282512 is a wasteful number, since it uses less digits than its factorization.

82282512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4600 (or 4594 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

The square root of 82282512 is about 9070.9708410952. The cubic root of 82282512 is about 434.9465068320.

The spelling of 82282512 in words is "eighty-two million, two hundred eighty-two thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 29 39 48 52 58 78 87 104 116 156 174 208 232 312 348 377 464 624 696 754 1131 1392 1508 2262 3016 4524 4547 6032 9048 9094 13641 18096 18188 27282 36376 54564 59111 72752 109128 118222 131863 177333 218256 236444 263726 354666 395589 472888 527452 709332 791178 945776 1054904 1418664 1582356 1714219 2109808 2837328 3164712 3428438 5142657 6329424 6856876 10285314 13713752 20570628 27427504 41141256 82282512