Base | Representation |
---|---|
bin | 110001100001010… |
… | …011101011000111 |
3 | 2010220022202210221 |
4 | 301201103223013 |
5 | 3200142034134 |
6 | 214235125211 |
7 | 26405544634 |
oct | 6141235307 |
9 | 2126282727 |
10 | 830814919 |
11 | 396a78600 |
12 | 1b22a3807 |
13 | 103181a7c |
14 | 7c4ab18b |
15 | 4ce125b4 |
hex | 31853ac7 |
830814919 has 24 divisors (see below), whose sum is σ = 964782000. Its totient is φ = 712926720.
The previous prime is 830814913. The next prime is 830815019. The reversal of 830814919 is 919418038.
830814919 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 830814919 - 29 = 830814407 is a prime.
It is a super-2 number, since 2×8308149192 = 1380506859265953122, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (830814913) 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, 893847 + ... + 894775.
It is an arithmetic number, because the mean of its divisors is an integer number (40199250).
Almost surely, 2830814919 is an apocalyptic number.
830814919 is a deficient number, since it is larger than the sum of its proper divisors (133967081).
830814919 is a wasteful number, since it uses less digits than its factorization.
830814919 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1359 (or 1348 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 43.
The square root of 830814919 is about 28823.8602376573. The cubic root of 830814919 is about 940.0871048752.
The spelling of 830814919 in words is "eight hundred thirty million, eight hundred fourteen thousand, nine hundred nineteen".
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