Base | Representation |
---|---|
bin | 101000100101000… |
… | …001001010101000 |
3 | 1202110000212002002 |
4 | 220211001022220 |
5 | 2343240331434 |
6 | 151315430132 |
7 | 22604433332 |
oct | 5045011250 |
9 | 1673025062 |
10 | 680792744 |
11 | 31a320735 |
12 | 16bbb5348 |
13 | ab075a58 |
14 | 665b8452 |
15 | 3eb7b57e |
hex | 289412a8 |
680792744 has 64 divisors (see below), whose sum is σ = 1400198400. Its totient is φ = 309049344.
The previous prime is 680792737. The next prime is 680792747. The reversal of 680792744 is 447297086.
It is a Harshad number since it is a multiple of its sum of digits (47).
It is not an unprimeable number, because it can be changed into a prime (680792747) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465887 + ... + 467345.
It is an arithmetic number, because the mean of its divisors is an integer number (21878100).
Almost surely, 2680792744 is an apocalyptic number.
It is an amenable number.
680792744 is an abundant number, since it is smaller than the sum of its proper divisors (719405656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680792744 is a wasteful number, since it uses less digits than its factorization.
680792744 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1602 (or 1598 counting only the distinct ones).
The product of its (nonzero) digits is 677376, while the sum is 47.
The square root of 680792744 is about 26092.0053656288. The cubic root of 680792744 is about 879.7075233267.
The spelling of 680792744 in words is "six hundred eighty million, seven hundred ninety-two thousand, seven hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •