Base | Representation |
---|---|
bin | 101000100100100… |
… | …101110000011011 |
3 | 1202102211011001222 |
4 | 220210211300123 |
5 | 2343223233400 |
6 | 151313202255 |
7 | 22603455116 |
oct | 5044456033 |
9 | 1672734058 |
10 | 680680475 |
11 | 31a254352 |
12 | 16bb6038b |
13 | ab036917 |
14 | 6658957d |
15 | 3eb58185 |
hex | 28925c1b |
680680475 has 24 divisors (see below), whose sum is σ = 855228000. Its totient is φ = 537373440.
The previous prime is 680680471. The next prime is 680680499. The reversal of 680680475 is 574086086.
It is not a de Polignac number, because 680680475 - 22 = 680680471 is a prime.
It is not an unprimeable number, because it can be changed into a prime (680680471) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1195991 + ... + 1196559.
It is an arithmetic number, because the mean of its divisors is an integer number (35634500).
Almost surely, 2680680475 is an apocalyptic number.
680680475 is a deficient number, since it is larger than the sum of its proper divisors (174547525).
680680475 is a wasteful number, since it uses less digits than its factorization.
680680475 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1127 (or 1122 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 44.
The square root of 680680475 is about 26089.8538708058. The cubic root of 680680475 is about 879.6591633746.
The spelling of 680680475 in words is "six hundred eighty million, six hundred eighty thousand, four hundred seventy-five".
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