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82817382 = 2361713187
BaseRepresentation
bin1001110111110…
…11000101100110
312202211120002110
410323323011212
5132200124012
612115021450
72023636044
oct473730546
9182746073
1082817382
1142825a1a
122389a886
131420888b
14addb394
15740d73c
hex4efb166

82817382 has 32 divisors (see below), whose sum is σ = 170774784. Its totient is φ = 26762400.

The previous prime is 82817363. The next prime is 82817401. The reversal of 82817382 is 28371828.

It is an interprime number because it is at equal distance from previous prime (82817363) and next prime (82817401).

It is a super-2 number, since 2×828173822 = 13717437522667848, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 82817382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24393 + ... + 27579.

It is an arithmetic number, because the mean of its divisors is an integer number (5336712).

Almost surely, 282817382 is an apocalyptic number.

82817382 is an abundant number, since it is smaller than the sum of its proper divisors (87957402).

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

82817382 is a wasteful number, since it uses less digits than its factorization.

82817382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324.

The product of its digits is 43008, while the sum is 39.

The square root of 82817382 is about 9100.4055953567. The cubic root of 82817382 is about 435.8869155139.

The spelling of 82817382 in words is "eighty-two million, eight hundred seventeen thousand, three hundred eighty-two".

Divisors: 1 2 3 6 61 71 122 142 183 213 366 426 3187 4331 6374 8662 9561 12993 19122 25986 194407 226277 388814 452554 583221 678831 1166442 1357662 13802897 27605794 41408691 82817382