Base | Representation |
---|---|
bin | 101000100011100… |
… | …010001000011110 |
3 | 1202102022002010010 |
4 | 220203202020132 |
5 | 2343140402421 |
6 | 151303224050 |
7 | 22601222430 |
oct | 5043421036 |
9 | 1672262103 |
10 | 680403486 |
11 | 31a085234 |
12 | 16ba48026 |
13 | aac6a819 |
14 | 66516650 |
15 | 3eb01076 |
hex | 288e221e |
680403486 has 32 divisors (see below), whose sum is σ = 1560303360. Its totient is φ = 193764096.
The previous prime is 680403467. The next prime is 680403497. The reversal of 680403486 is 684304086.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13491 + ... + 39278.
It is an arithmetic number, because the mean of its divisors is an integer number (48759480).
Almost surely, 2680403486 is an apocalyptic number.
680403486 is an abundant number, since it is smaller than the sum of its proper divisors (879899874).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680403486 is a wasteful number, since it uses less digits than its factorization.
680403486 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53088.
The product of its (nonzero) digits is 110592, while the sum is 39.
The square root of 680403486 is about 26084.5449644037. The cubic root of 680403486 is about 879.5398274166.
The spelling of 680403486 in words is "six hundred eighty million, four hundred three thousand, four hundred eighty-six".
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