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82545275 = 5223891613
BaseRepresentation
bin1001110101110…
…00101001111011
312202022201211102
410322320221323
5132112422100
612105122015
72021423531
oct472705173
9182281742
1082545275
114265a53a
122378930b
1314141a77
14ad6a151
1573a7cd5
hex4eb8a7b

82545275 has 24 divisors (see below), whose sum is σ = 108073440. Its totient is φ = 62416640.

The previous prime is 82545271. The next prime is 82545293. The reversal of 82545275 is 57254528.

It is not a de Polignac number, because 82545275 - 22 = 82545271 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (82545271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50369 + ... + 51981.

It is an arithmetic number, because the mean of its divisors is an integer number (4503060).

Almost surely, 282545275 is an apocalyptic number.

82545275 is a deficient number, since it is larger than the sum of its proper divisors (25528165).

82545275 is a wasteful number, since it uses less digits than its factorization.

82545275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735 (or 1730 counting only the distinct ones).

The product of its digits is 112000, while the sum is 38.

The square root of 82545275 is about 9085.4430271726. The cubic root of 82545275 is about 435.4090044921.

The spelling of 82545275 in words is "eighty-two million, five hundred forty-five thousand, two hundred seventy-five".

Divisors: 1 5 23 25 89 115 445 575 1613 2047 2225 8065 10235 37099 40325 51175 143557 185495 717785 927475 3301811 3588925 16509055 82545275