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82868375 = 53662947
BaseRepresentation
bin1001111000001…
…11100010010111
312202221011001002
410330013202113
5132203242000
612120053515
72024240522
oct474074227
9182834032
1082868375
1142860267
122390429b
1314225b55
14b011bb9
15741d8d5
hex4f07897

82868375 has 8 divisors (see below), whose sum is σ = 103419888. Its totient is φ = 66294600.

The previous prime is 82868371. The next prime is 82868381. The reversal of 82868375 is 57386828.

It is not a de Polignac number, because 82868375 - 22 = 82868371 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82868371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331349 + ... + 331598.

It is an arithmetic number, because the mean of its divisors is an integer number (12927486).

Almost surely, 282868375 is an apocalyptic number.

82868375 is a deficient number, since it is larger than the sum of its proper divisors (20551513).

82868375 is an equidigital number, since it uses as much as digits as its factorization.

82868375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662962 (or 662952 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 82868375 is about 9103.2068525328. The cubic root of 82868375 is about 435.9763597849.

It can be divided in two parts, 8286 and 8375, that added together give a palindrome (16661).

The spelling of 82868375 in words is "eighty-two million, eight hundred sixty-eight thousand, three hundred seventy-five".

Divisors: 1 5 25 125 662947 3314735 16573675 82868375