Base | Representation |
---|---|
bin | 101000100011010… |
… | …111000001010111 |
3 | 1202102012202200112 |
4 | 220203113001113 |
5 | 2343132423400 |
6 | 151302233235 |
7 | 22600642643 |
oct | 5043270127 |
9 | 1672182615 |
10 | 680357975 |
11 | 31a054020 |
12 | 16ba2581b |
13 | aac52bab |
14 | 66503c23 |
15 | 3eae2835 |
hex | 288d7057 |
680357975 has 24 divisors (see below), whose sum is σ = 921583872. Its totient is φ = 494136800.
The previous prime is 680357957. The next prime is 680358011. The reversal of 680357975 is 579753086.
It is a happy number.
It is not a de Polignac number, because 680357975 - 216 = 680292439 is a prime.
It is a super-2 number, since 2×6803579752 = 925773948292201250, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 302204 + ... + 304446.
It is an arithmetic number, because the mean of its divisors is an integer number (38399328).
Almost surely, 2680357975 is an apocalyptic number.
680357975 is a deficient number, since it is larger than the sum of its proper divisors (241225897).
680357975 is a wasteful number, since it uses less digits than its factorization.
680357975 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3367 (or 3362 counting only the distinct ones).
The product of its (nonzero) digits is 1587600, while the sum is 50.
The square root of 680357975 is about 26083.6725750037. The cubic root of 680357975 is about 879.5202166854.
The spelling of 680357975 in words is "six hundred eighty million, three hundred fifty-seven thousand, nine hundred seventy-five".
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