Base | Representation |
---|---|
bin | 101000011010011… |
… | …010100101001100 |
3 | 1202020210122100020 |
4 | 220122122211030 |
5 | 2342032411020 |
6 | 151140102140 |
7 | 22542006021 |
oct | 5032324514 |
9 | 1666718306 |
10 | 678013260 |
11 | 3187a2441 |
12 | 16b094950 |
13 | aa6118a2 |
14 | 66093548 |
15 | 3e7ccc40 |
hex | 2869a94c |
678013260 has 48 divisors (see below), whose sum is σ = 1899598176. Its totient is φ = 180692992.
The previous prime is 678013247. The next prime is 678013283. The reversal of 678013260 is 62310876.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157294 + ... + 161546.
It is an arithmetic number, because the mean of its divisors is an integer number (39574962).
Almost surely, 2678013260 is an apocalyptic number.
678013260 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
678013260 is an abundant number, since it is smaller than the sum of its proper divisors (1221584916).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
678013260 is a wasteful number, since it uses less digits than its factorization.
678013260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6922 (or 6920 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 33.
The square root of 678013260 is about 26038.6877549542. The cubic root of 678013260 is about 878.5086914400.
The spelling of 678013260 in words is "six hundred seventy-eight million, thirteen thousand, two hundred sixty".
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