Base | Representation |
---|---|
bin | 101001000100101… |
… | …110100001010111 |
3 | 1210000200011022210 |
4 | 221010232201113 |
5 | 2402402324413 |
6 | 152213524503 |
7 | 23035203300 |
oct | 5104564127 |
9 | 1700604283 |
10 | 689104983 |
11 | 323a88856 |
12 | 172943733 |
13 | ac9c6338 |
14 | 6773d7a7 |
15 | 4076e3c3 |
hex | 2912e857 |
689104983 has 96 divisors (see below), whose sum is σ = 1168877568. Its totient is φ = 359251200.
The previous prime is 689104981. The next prime is 689104987. The reversal of 689104983 is 389401986.
It is not a de Polignac number, because 689104983 - 21 = 689104981 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (689104981) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10285116 + ... + 10285182.
It is an arithmetic number, because the mean of its divisors is an integer number (12175808).
Almost surely, 2689104983 is an apocalyptic number.
689104983 is a deficient number, since it is larger than the sum of its proper divisors (479772585).
689104983 is a wasteful number, since it uses less digits than its factorization.
689104983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 213 (or 206 counting only the distinct ones).
The product of its (nonzero) digits is 373248, while the sum is 48.
The square root of 689104983 is about 26250.8091875279. The cubic root of 689104983 is about 883.2733560163.
The spelling of 689104983 in words is "six hundred eighty-nine million, one hundred four thousand, nine hundred eighty-three".
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