Base | Representation |
---|---|
bin | 101000100100110… |
… | …110010100110110 |
3 | 1202102221121011120 |
4 | 220210312110312 |
5 | 2343232421332 |
6 | 151314444410 |
7 | 22604160021 |
oct | 5044662466 |
9 | 1672847146 |
10 | 680748342 |
11 | 31a2a033a |
12 | 16bb93706 |
13 | ab05b791 |
14 | 665a61b8 |
15 | 3eb6d32c |
hex | 28936536 |
680748342 has 32 divisors (see below), whose sum is σ = 1431101952. Its totient is φ = 215459904.
The previous prime is 680748337. The next prime is 680748361. The reversal of 680748342 is 243847086.
It is a junction number, because it is equal to n+sod(n) for n = 680748294 and 680748303.
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, 903 + ... + 36909.
It is an arithmetic number, because the mean of its divisors is an integer number (44721936).
Almost surely, 2680748342 is an apocalyptic number.
680748342 is an abundant number, since it is smaller than the sum of its proper divisors (750353610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680748342 is a wasteful number, since it uses less digits than its factorization.
680748342 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36172.
The product of its (nonzero) digits is 258048, while the sum is 42.
The square root of 680748342 is about 26091.1544780985. The cubic root of 680748342 is about 879.6883977690.
The spelling of 680748342 in words is "six hundred eighty million, seven hundred forty-eight thousand, three hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •