Base | Representation |
---|---|
bin | 1010101001000101… |
… | …1000110011011000 |
3 | 21101002100121210021 |
4 | 2222101120303120 |
5 | 21322302403020 |
6 | 1151244400224 |
7 | 130535263666 |
oct | 25221306330 |
9 | 7332317707 |
10 | 2856684760 |
11 | 12365845a6 |
12 | 678846074 |
13 | 366ab6217 |
14 | 1d157bc36 |
15 | 11abd51aa |
hex | aa458cd8 |
2856684760 has 32 divisors (see below), whose sum is σ = 6805632960. Its totient is φ = 1075457536.
The previous prime is 2856684749. The next prime is 2856684767. The reversal of 2856684760 is 674866582.
It is a junction number, because it is equal to n+sod(n) for n = 2856684698 and 2856684707.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2856684767) 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, 2099824 + ... + 2101183.
It is an arithmetic number, because the mean of its divisors is an integer number (212676030).
Almost surely, 22856684760 is an apocalyptic number.
2856684760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2856684760 is an abundant number, since it is smaller than the sum of its proper divisors (3948948200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2856684760 is a wasteful number, since it uses less digits than its factorization.
2856684760 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4201035 (or 4201031 counting only the distinct ones).
The product of its (nonzero) digits is 3870720, while the sum is 52.
The square root of 2856684760 is about 53447.9631043130. The cubic root of 2856684760 is about 1418.9075708215.
The spelling of 2856684760 in words is "two billion, eight hundred fifty-six million, six hundred eighty-four thousand, seven hundred sixty".
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