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82265715 = 32571791459
BaseRepresentation
bin1001110011101…
…00011001110011
312201210112100100
410321310121303
5132030000330
612055123443
72016150510
oct471643163
9181715310
1082265715
11424894a4
1223673583
131407474c
14acd6307
157350060
hex4e74673

82265715 has 48 divisors (see below), whose sum is σ = 163987200. Its totient is φ = 37371456.

The previous prime is 82265713. The next prime is 82265717. The reversal of 82265715 is 51756228.

It is a happy number.

82265715 is a `hidden beast` number, since 82 + 2 + 6 + 571 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (82265713) and next prime (82265717).

It is not a de Polignac number, because 82265715 - 21 = 82265713 is a prime.

It is a super-2 number, since 2×822657152 = 13535295728922450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82265715.

It is not an unprimeable number, because it can be changed into a prime (82265713) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55656 + ... + 57114.

It is an arithmetic number, because the mean of its divisors is an integer number (3416400).

Almost surely, 282265715 is an apocalyptic number.

82265715 is a deficient number, since it is larger than the sum of its proper divisors (81721485).

82265715 is a wasteful number, since it uses less digits than its factorization.

82265715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656 (or 1653 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 82265715 is about 9070.0449282239. The cubic root of 82265715 is about 434.9169084257.

The spelling of 82265715 in words is "eighty-two million, two hundred sixty-five thousand, seven hundred fifteen".

Divisors: 1 3 5 7 9 15 21 35 45 63 105 179 315 537 895 1253 1459 1611 2685 3759 4377 6265 7295 8055 10213 11277 13131 18795 21885 30639 51065 56385 65655 91917 153195 261161 459585 783483 1305805 1828127 2350449 3917415 5484381 9140635 11752245 16453143 27421905 82265715