Base | Representation |
---|---|
bin | 101000100100100… |
… | …010111101001000 |
3 | 1202102210120022222 |
4 | 220210202331020 |
5 | 2343222402000 |
6 | 151313033212 |
7 | 22603406504 |
oct | 5044427510 |
9 | 1672716288 |
10 | 680669000 |
11 | 31a246770 |
12 | 16bb55808 |
13 | ab03162b |
14 | 66585304 |
15 | 3eb54a85 |
hex | 28922f48 |
680669000 has 64 divisors (see below), whose sum is σ = 1737590400. Its totient is φ = 247512000.
The previous prime is 680668999. The next prime is 680669047. The reversal of 680669000 is 966086.
It is a super-2 number, since 2×6806690002 = 926620575122000000, which contains 22 as substring.
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, 19940 + ... + 41939.
It is an arithmetic number, because the mean of its divisors is an integer number (27149850).
Almost surely, 2680669000 is an apocalyptic number.
It is an amenable number.
680669000 is an abundant number, since it is smaller than the sum of its proper divisors (1056921400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680669000 is a wasteful number, since it uses less digits than its factorization.
680669000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61911 (or 61897 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 35.
The square root of 680669000 is about 26089.6339568036. The cubic root of 680669000 is about 879.6542202106.
The spelling of 680669000 in words is "six hundred eighty million, six hundred sixty-nine thousand".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.062 sec. • engine limits •