Base | Representation |
---|---|
bin | 110001010110101… |
… | …000111010011011 |
3 | 2010201001200121121 |
4 | 301112220322123 |
5 | 3143433041311 |
6 | 214055150111 |
7 | 26343016420 |
oct | 6126507233 |
9 | 2121050547 |
10 | 828018331 |
11 | 395438478 |
12 | 1b1375337 |
13 | 102712b9a |
14 | 7bd7dd47 |
15 | 4ca5db71 |
hex | 315a8e9b |
828018331 has 32 divisors (see below), whose sum is σ = 1021363200. Its totient is φ = 655966080.
The previous prime is 828018313. The next prime is 828018397. The reversal of 828018331 is 133810828.
It is not a de Polignac number, because 828018331 - 25 = 828018299 is a prime.
It is a super-2 number, since 2×8280183312 = 1371228712944051122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (828018431) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 578725 + ... + 580153.
It is an arithmetic number, because the mean of its divisors is an integer number (31917600).
Almost surely, 2828018331 is an apocalyptic number.
828018331 is a deficient number, since it is larger than the sum of its proper divisors (193344869).
828018331 is a wasteful number, since it uses less digits than its factorization.
828018331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1579.
The product of its (nonzero) digits is 9216, while the sum is 34.
The square root of 828018331 is about 28775.3076612571. The cubic root of 828018331 is about 939.0311168999.
The spelling of 828018331 in words is "eight hundred twenty-eight million, eighteen thousand, three hundred thirty-one".
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