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82488460 = 22523917257
BaseRepresentation
bin1001110101010…
…10110010001100
312202012211220011
410322222302030
5132104112320
612104003004
72021066065
oct472526214
9182184804
1082488460
114262088a
1223760464
1314121c52
14ad5356c
15739605a
hex4eaac8c

82488460 has 24 divisors (see below), whose sum is σ = 173960640. Its totient is φ = 32855424.

The previous prime is 82488451. The next prime is 82488463. The reversal of 82488460 is 6488428.

It is not an unprimeable number, because it can be changed into a prime (82488463) 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, 3849 + ... + 13408.

It is an arithmetic number, because the mean of its divisors is an integer number (7248360).

Almost surely, 282488460 is an apocalyptic number.

It is an amenable number.

82488460 is an abundant number, since it is smaller than the sum of its proper divisors (91472180).

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

82488460 is a wasteful number, since it uses less digits than its factorization.

82488460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17505 (or 17503 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The square root of 82488460 is about 9082.3157839837. The cubic root of 82488460 is about 435.3090858300.

The spelling of 82488460 in words is "eighty-two million, four hundred eighty-eight thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 239 478 956 1195 2390 4780 17257 34514 69028 86285 172570 345140 4124423 8248846 16497692 20622115 41244230 82488460