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7868536 = 231375659
BaseRepresentation
bin11110000001000001111000
3112210202121021
4132001001320
54003243121
6440352224
7123611224
oct36010170
915722537
107868536
114494825
122775674
131826650
14108b784
15a56641
hex781078

7868536 has 16 divisors (see below), whose sum is σ = 15888600. Its totient is φ = 3631584.

The previous prime is 7868521. The next prime is 7868537. The reversal of 7868536 is 6358687.

7868536 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 7868492 and 7868501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7868537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37726 + ... + 37933.

Almost surely, 27868536 is an apocalyptic number.

It is an amenable number.

7868536 is an abundant number, since it is smaller than the sum of its proper divisors (8020064).

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

7868536 is a wasteful number, since it uses less digits than its factorization.

7868536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75678 (or 75674 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 7868536 is about 2805.0910858651. The cubic root of 7868536 is about 198.8984103072.

The spelling of 7868536 in words is "seven million, eight hundred sixty-eight thousand, five hundred thirty-six".

Divisors: 1 2 4 8 13 26 52 104 75659 151318 302636 605272 983567 1967134 3934268 7868536