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82480545 = 335787281
BaseRepresentation
bin1001110101010…
…00110110100001
312202012110001000
410322220312201
5132103334140
612103502213
72021034030
oct472506641
9182173030
1082480545
1142615944
1223757969
131411b474
14ad50717
157393a30
hex4ea8da1

82480545 has 32 divisors (see below), whose sum is σ = 167581440. Its totient is φ = 37704960.

The previous prime is 82480543. The next prime is 82480571. The reversal of 82480545 is 54508428.

It is not a de Polignac number, because 82480545 - 21 = 82480543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82480543) 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 31 ways as a sum of consecutive naturals, for example, 42696 + ... + 44585.

It is an arithmetic number, because the mean of its divisors is an integer number (5236920).

Almost surely, 282480545 is an apocalyptic number.

It is an amenable number.

82480545 is an abundant number, since it is smaller than the sum of its proper divisors (85100895).

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

82480545 is a wasteful number, since it uses less digits than its factorization.

82480545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87302 (or 87296 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 82480545 is about 9081.8800366444. The cubic root of 82480545 is about 435.2951623405.

The spelling of 82480545 in words is "eighty-two million, four hundred eighty thousand, five hundred forty-five".

Divisors: 1 3 5 7 9 15 21 27 35 45 63 105 135 189 315 945 87281 261843 436405 610967 785529 1309215 1832901 2356587 3054835 3927645 5498703 9164505 11782935 16496109 27493515 82480545