Base | Representation |
---|---|
bin | 110001011000100… |
… | …001101010101101 |
3 | 2010201222211002111 |
4 | 301120201222231 |
5 | 3144044403231 |
6 | 214113524021 |
7 | 26350146424 |
oct | 6130415255 |
9 | 2121884074 |
10 | 828512941 |
11 | 395746043 |
12 | 1b1573611 |
13 | 102857059 |
14 | 7c06c2bb |
15 | 4cb0a4b1 |
hex | 31621aad |
828512941 has 4 divisors (see below), whose sum is σ = 828681084. Its totient is φ = 828344800.
The previous prime is 828512939. The next prime is 828512957. The reversal of 828512941 is 149215828.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 34456900 + 794056041 = 5870^2 + 28179^2 .
It is a cyclic number.
It is not a de Polignac number, because 828512941 - 21 = 828512939 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 828512894 and 828512903.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (828512441) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76450 + ... + 86611.
It is an arithmetic number, because the mean of its divisors is an integer number (207170271).
Almost surely, 2828512941 is an apocalyptic number.
It is an amenable number.
828512941 is a deficient number, since it is larger than the sum of its proper divisors (168143).
828512941 is a wasteful number, since it uses less digits than its factorization.
828512941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 168142.
The product of its digits is 46080, while the sum is 40.
The square root of 828512941 is about 28783.9007259266. The cubic root of 828512941 is about 939.2180538773.
The spelling of 828512941 in words is "eight hundred twenty-eight million, five hundred twelve thousand, nine hundred forty-one".
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