Base | Representation |
---|---|
bin | 100101100011011… |
… | …100001010011110 |
3 | 1121220112201112112 |
4 | 211203130022132 |
5 | 2242243004030 |
6 | 142304034022 |
7 | 21420212600 |
oct | 4543341236 |
9 | 1556481475 |
10 | 630047390 |
11 | 2a3710a25 |
12 | 157002912 |
13 | a06b930b |
14 | 5d969170 |
15 | 3a4a5a95 |
hex | 258dc29e |
630047390 has 24 divisors (see below), whose sum is σ = 1319243112. Its totient is φ = 216016080.
The previous prime is 630047389. The next prime is 630047401. The reversal of 630047390 is 93740036.
630047390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 642416 + ... + 643395.
It is an arithmetic number, because the mean of its divisors is an integer number (54968463).
Almost surely, 2630047390 is an apocalyptic number.
630047390 is an abundant number, since it is smaller than the sum of its proper divisors (689195722).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
630047390 is a wasteful number, since it uses less digits than its factorization.
630047390 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1285832 (or 1285825 counting only the distinct ones).
The product of its (nonzero) digits is 13608, while the sum is 32.
The square root of 630047390 is about 25100.7448096665. The cubic root of 630047390 is about 857.2833827405.
The spelling of 630047390 in words is "six hundred thirty million, forty-seven thousand, three hundred ninety".
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