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8539306828 = 2213829198091
BaseRepresentation
bin1111111001111101…
…10111101101001100
3211001010012201210021
413330332313231030
5114442030304303
63531202551524
7421416624163
oct77476675514
924033181707
108539306828
113692241678
1217a39685a4
13a611ab3a0
145b01723da
1534ea29ebd
hex1fcfb7b4c

8539306828 has 24 divisors (see below), whose sum is σ = 16112803280. Its totient is φ = 3936444480.

The previous prime is 8539306823. The next prime is 8539306837. The reversal of 8539306828 is 8286039358.

It is a happy number.

It is a super-2 number, since 2×85393068282 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (8539306823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55938 + ... + 142153.

Almost surely, 28539306828 is an apocalyptic number.

It is an amenable number.

8539306828 is a deficient number, since it is larger than the sum of its proper divisors (7573496452).

8539306828 is a wasteful number, since it uses less digits than its factorization.

8539306828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198937 (or 198935 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 52.

The square root of 8539306828 is about 92408.3699022984. The cubic root of 8539306828 is about 2043.9685361328.

The spelling of 8539306828 in words is "eight billion, five hundred thirty-nine million, three hundred six thousand, eight hundred twenty-eight".

Divisors: 1 2 4 13 26 52 829 1658 3316 10777 21554 43108 198091 396182 792364 2575183 5150366 10300732 164217439 328434878 656869756 2134826707 4269653414 8539306828