Base | Representation |
---|---|
bin | 110001011110011… |
… | …111101100100011 |
3 | 2010211221022120200 |
4 | 301132133230203 |
5 | 3144444441411 |
6 | 214211240243 |
7 | 26366354460 |
oct | 6136375443 |
9 | 2124838520 |
10 | 830077731 |
11 | 39661475a |
12 | 1b1ba9083 |
13 | 102c84372 |
14 | 7c358667 |
15 | 4cd18e56 |
hex | 3179fb23 |
830077731 has 24 divisors (see below), whose sum is σ = 1414493184. Its totient is φ = 459028080.
The previous prime is 830077711. The next prime is 830077733. The reversal of 830077731 is 137770038.
It is a happy number.
It is not a de Polignac number, because 830077731 - 29 = 830077219 is a prime.
It is a super-2 number, since 2×8300777312 = 1378058079004216722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (830077733) 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, 210561 + ... + 214466.
It is an arithmetic number, because the mean of its divisors is an integer number (58937216).
Almost surely, 2830077731 is an apocalyptic number.
830077731 is a deficient number, since it is larger than the sum of its proper divisors (584415453).
830077731 is a wasteful number, since it uses less digits than its factorization.
830077731 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 425071 (or 425068 counting only the distinct ones).
The product of its (nonzero) digits is 24696, while the sum is 36.
The square root of 830077731 is about 28811.0695913914. The cubic root of 830077731 is about 939.8089739333.
The spelling of 830077731 in words is "eight hundred thirty million, seventy-seven thousand, seven hundred thirty-one".
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