Base | Representation |
---|---|
bin | 101110101010010… |
… | …000110011101001 |
3 | 2000120000221000021 |
4 | 232222100303221 |
5 | 3100401041300 |
6 | 205402440441 |
7 | 25253644420 |
oct | 5652206351 |
9 | 2016027007 |
10 | 782830825 |
11 | 371984427 |
12 | 19a203121 |
13 | c625110a |
14 | 75d7a2b7 |
15 | 48ad4d1a |
hex | 2ea90ce9 |
782830825 has 24 divisors (see below), whose sum is σ = 1132998912. Its totient is φ = 525371520.
The previous prime is 782830823. The next prime is 782830847. The reversal of 782830825 is 528038287.
782830825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 782830825 - 21 = 782830823 is a prime.
It is a super-2 number, since 2×7828308252 = 1225648201140361250, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (782830823) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39364 + ... + 55813.
It is an arithmetic number, because the mean of its divisors is an integer number (47208288).
Almost surely, 2782830825 is an apocalyptic number.
It is an amenable number.
782830825 is a deficient number, since it is larger than the sum of its proper divisors (350168087).
782830825 is a wasteful number, since it uses less digits than its factorization.
782830825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95241 (or 95236 counting only the distinct ones).
The product of its (nonzero) digits is 215040, while the sum is 43.
The square root of 782830825 is about 27979.1140853316. The cubic root of 782830825 is about 921.6286624393.
The spelling of 782830825 in words is "seven hundred eighty-two million, eight hundred thirty thousand, eight hundred twenty-five".
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