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82087016 = 231117371483
BaseRepresentation
bin1001110010010…
…00110001101000
312201110110012212
410321020301220
5132003241031
612051224252
72014504514
oct471106150
9181413185
1082087016
1142377210
12235a8088
13140112cb
14ac8b144
15731712b
hex4e48c68

82087016 has 64 divisors (see below), whose sum is σ = 182710080. Its totient is φ = 34145280.

The previous prime is 82087003. The next prime is 82087021. The reversal of 82087016 is 61078028.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54611 + ... + 56093.

It is an arithmetic number, because the mean of its divisors is an integer number (2854845).

Almost surely, 282087016 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 82087016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91355040).

82087016 is an abundant number, since it is smaller than the sum of its proper divisors (100623064).

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

82087016 is a wasteful number, since it uses less digits than its factorization.

82087016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554 (or 1550 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 82087016 is about 9060.1885190100. The cubic root of 82087016 is about 434.6017688038.

The spelling of 82087016 in words is "eighty-two million, eighty-seven thousand, sixteen".

Divisors: 1 2 4 8 11 17 22 34 37 44 68 74 88 136 148 187 296 374 407 629 748 814 1258 1483 1496 1628 2516 2966 3256 5032 5932 6919 11864 13838 16313 25211 27676 32626 50422 54871 55352 65252 100844 109742 130504 201688 219484 277321 438968 554642 603581 932807 1109284 1207162 1865614 2218568 2414324 3731228 4828648 7462456 10260877 20521754 41043508 82087016