Base | Representation |
---|---|
bin | 110010000000110… |
… | …111001111110001 |
3 | 2011110220001002121 |
4 | 302000313033301 |
5 | 3204301241324 |
6 | 215132314241 |
7 | 26536060021 |
oct | 6200671761 |
9 | 2143801077 |
10 | 839087089 |
11 | 3a0708605 |
12 | 1b5012981 |
13 | 104aba049 |
14 | 7d621a81 |
15 | 4d9e85e4 |
hex | 320373f1 |
839087089 has 9 divisors (see below), whose sum is σ = 851758923. Its totient is φ = 826602312.
The previous prime is 839087087. The next prime is 839087107. The reversal of 839087089 is 980780938.
The square root of 839087089 is 28967.
It is a perfect power (a square), and thus also a powerful number.
839087089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 615883489 + 223203600 = 24817^2 + 14940^2 .
It is not a de Polignac number, because 839087089 - 21 = 839087087 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (839087087) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2404087 + ... + 2404435.
Almost surely, 2839087089 is an apocalyptic number.
839087089 is the 28967-th square number.
839087089 is the 14484-th centered octagonal number.
It is an amenable number.
839087089 is a deficient number, since it is larger than the sum of its proper divisors (12671834).
839087089 is an frugal number, since it uses more digits than its factorization.
839087089 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 864 (or 432 counting only the distinct ones).
The product of its (nonzero) digits is 870912, while the sum is 52.
The cubic root of 839087089 is about 943.1968598813.
The spelling of 839087089 in words is "eight hundred thirty-nine million, eighty-seven thousand, eighty-nine".
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