Base | Representation |
---|---|
bin | 1001000110110… |
… | …00111001001100 |
3 | 12022201210201020 |
4 | 10203120321030 |
5 | 124023321433 |
6 | 11325114140 |
7 | 1615161216 |
oct | 443307114 |
9 | 168653636 |
10 | 76385868 |
11 | 3a132919 |
12 | 216b8950 |
13 | 12a96350 |
14 | a2055b6 |
15 | 6a8ccb3 |
hex | 48d8e4c |
76385868 has 24 divisors (see below), whose sum is σ = 191944368. Its totient is φ = 23503296.
The previous prime is 76385861. The next prime is 76385873. The reversal of 76385868 is 86858367.
It is a super-2 number, since 2×763858682 = 11669601660226848, 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 76385868.
It is not an unprimeable number, because it can be changed into a prime (76385861) 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, 244671 + ... + 244982.
It is an arithmetic number, because the mean of its divisors is an integer number (7997682).
Almost surely, 276385868 is an apocalyptic number.
76385868 is a gapful number since it is divisible by the number (78) formed by its first and last digit.
It is an amenable number.
76385868 is an abundant number, since it is smaller than the sum of its proper divisors (115558500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
76385868 is a wasteful number, since it uses less digits than its factorization.
76385868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 489673 (or 489671 counting only the distinct ones).
The product of its digits is 1935360, while the sum is 51.
The square root of 76385868 is about 8739.9009147701. The cubic root of 76385868 is about 424.2980208686.
The spelling of 76385868 in words is "seventy-six million, three hundred eighty-five thousand, eight hundred sixty-eight".
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