Base | Representation |
---|---|
bin | 101000100100010… |
… | …000111001011111 |
3 | 1202102122210212200 |
4 | 220210100321133 |
5 | 2343213020124 |
6 | 151311302543 |
7 | 22602651045 |
oct | 5044207137 |
9 | 1672583780 |
10 | 680595039 |
11 | 31a1a6143 |
12 | 16bb1aa53 |
13 | ab006a77 |
14 | 66566395 |
15 | 3eb3cbc9 |
hex | 28910e5f |
680595039 has 24 divisors (see below), whose sum is σ = 1014485472. Its totient is φ = 439399680.
The previous prime is 680595011. The next prime is 680595073. The reversal of 680595039 is 930595086.
It is not a de Polignac number, because 680595039 - 215 = 680562271 is a prime.
It is a super-2 number, since 2×6805950392 = 926419214222823042, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 680594985 and 680595003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (680595079) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43822 + ... + 57284.
It is an arithmetic number, because the mean of its divisors is an integer number (42270228).
Almost surely, 2680595039 is an apocalyptic number.
680595039 is a deficient number, since it is larger than the sum of its proper divisors (333890433).
680595039 is a wasteful number, since it uses less digits than its factorization.
680595039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13647 (or 13644 counting only the distinct ones).
The product of its (nonzero) digits is 291600, while the sum is 45.
The square root of 680595039 is about 26088.2164779427. The cubic root of 680595039 is about 879.6223581933.
The spelling of 680595039 in words is "six hundred eighty million, five hundred ninety-five thousand, thirty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •