Base | Representation |
---|---|
bin | 100101100011100… |
… | …110011010101100 |
3 | 1121220121212011000 |
4 | 211203212122230 |
5 | 2242300330023 |
6 | 142305000300 |
7 | 21420446205 |
oct | 4543463254 |
9 | 1556555130 |
10 | 630089388 |
11 | 2a373a535 |
12 | 157023090 |
13 | a0702476 |
14 | 5d97a5ac |
15 | 3a4b3243 |
hex | 258e66ac |
630089388 has 48 divisors (see below), whose sum is σ = 1634945760. Its totient is φ = 209852352.
The previous prime is 630089371. The next prime is 630089389. The reversal of 630089388 is 883980036.
630089388 is a `hidden beast` number, since 630 + 0 + 8 + 9 + 3 + 8 + 8 = 666.
630089388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (630089389) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211606 + ... + 214562.
It is an arithmetic number, because the mean of its divisors is an integer number (34061370).
Almost surely, 2630089388 is an apocalyptic number.
It is an amenable number.
630089388 is an abundant number, since it is smaller than the sum of its proper divisors (1004856372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
630089388 is a wasteful number, since it uses less digits than its factorization.
630089388 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4943 (or 4935 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 45.
The square root of 630089388 is about 25101.5813844467. The cubic root of 630089388 is about 857.3024307190.
The spelling of 630089388 in words is "six hundred thirty million, eighty-nine thousand, three hundred eighty-eight".
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