Base | Representation |
---|---|
bin | 101001000000110… |
… | …010100101110100 |
3 | 1202221201201211000 |
4 | 221000302211310 |
5 | 2402121314301 |
6 | 152135443300 |
7 | 23023344645 |
oct | 5100624564 |
9 | 1687651730 |
10 | 688073076 |
11 | 323443539 |
12 | 172526530 |
13 | ac724742 |
14 | 675516cc |
15 | 40618786 |
hex | 29032974 |
688073076 has 48 divisors (see below), whose sum is σ = 1785481600. Its totient is φ = 229153536.
The previous prime is 688073069. The next prime is 688073081. The reversal of 688073076 is 670370886.
It is a super-2 number, since 2×6880730762 = 946889115832203552, 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 15 ways as a sum of consecutive naturals, for example, 164580 + ... + 168708.
Almost surely, 2688073076 is an apocalyptic number.
It is an amenable number.
688073076 is an abundant number, since it is smaller than the sum of its proper divisors (1097408524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
688073076 is a wasteful number, since it uses less digits than its factorization.
688073076 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5685 (or 5677 counting only the distinct ones).
The product of its (nonzero) digits is 338688, while the sum is 45.
The square root of 688073076 is about 26231.1470584113. The cubic root of 688073076 is about 882.8322469852.
The spelling of 688073076 in words is "six hundred eighty-eight million, seventy-three thousand, seventy-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •