Base | Representation |
---|---|
bin | 110001100001001… |
… | …011111000110001 |
3 | 2010220021011001200 |
4 | 301201023320301 |
5 | 3200140024100 |
6 | 214234321413 |
7 | 26405352642 |
oct | 6141137061 |
9 | 2126234050 |
10 | 830783025 |
11 | 396a56646 |
12 | 1b2289269 |
13 | 1031703b7 |
14 | 7c49d6c9 |
15 | 4ce07e00 |
hex | 3184be31 |
830783025 has 36 divisors (see below), whose sum is σ = 1498071900. Its totient is φ = 440092800.
The previous prime is 830783017. The next prime is 830783027. The reversal of 830783025 is 520387038.
It can be written as a sum of positive squares in 6 ways, for example, as 143137296 + 687645729 = 11964^2 + 26223^2 .
It is not a de Polignac number, because 830783025 - 23 = 830783017 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (830783027) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21135 + ... + 45915.
Almost surely, 2830783025 is an apocalyptic number.
It is an amenable number.
830783025 is a deficient number, since it is larger than the sum of its proper divisors (667288875).
830783025 is a wasteful number, since it uses less digits than its factorization.
830783025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24946 (or 24938 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 36.
The square root of 830783025 is about 28823.3069754322. The cubic root of 830783025 is about 940.0750751114.
The spelling of 830783025 in words is "eight hundred thirty million, seven hundred eighty-three thousand, twenty-five".
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