Base | Representation |
---|---|
bin | 101000100101001… |
… | …000100001111000 |
3 | 1202110002101110010 |
4 | 220211020201320 |
5 | 2343242313104 |
6 | 151320221520 |
7 | 22604620266 |
oct | 5045104170 |
9 | 1673071403 |
10 | 680822904 |
11 | 31a341363 |
12 | 17000a8a0 |
13 | ab0866b8 |
14 | 665c5436 |
15 | 3eb85489 |
hex | 28948878 |
680822904 has 32 divisors (see below), whose sum is σ = 1704240720. Its totient is φ = 226649856.
The previous prime is 680822897. The next prime is 680822927. The reversal of 680822904 is 409228086.
It is a super-2 number, since 2×6808229042 = 927039653221986432, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1332 + ... + 36924.
Almost surely, 2680822904 is an apocalyptic number.
It is an amenable number.
680822904 is an abundant number, since it is smaller than the sum of its proper divisors (1023417816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680822904 is a wasteful number, since it uses less digits than its factorization.
680822904 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36399 (or 36395 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 39.
The square root of 680822904 is about 26092.5833140377. The cubic root of 680822904 is about 879.7205138623.
The spelling of 680822904 in words is "six hundred eighty million, eight hundred twenty-two thousand, nine hundred four".
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