Base | Representation |
---|---|
bin | 110001001101110… |
… | …101000110101100 |
3 | 2010112201100202210 |
4 | 301031311012230 |
5 | 3142340141342 |
6 | 213533450420 |
7 | 26314260534 |
oct | 6115650654 |
9 | 2115640683 |
10 | 825708972 |
11 | 394100410 |
12 | 1b0640a10 |
13 | 1020b49ba |
14 | 7b93c4c4 |
15 | 4c75479c |
hex | 313751ac |
825708972 has 96 divisors (see below), whose sum is σ = 2273080320. Its totient is φ = 230456320.
The previous prime is 825708941. The next prime is 825708991. The reversal of 825708972 is 279807528.
825708972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101554 + ... + 109382.
It is an arithmetic number, because the mean of its divisors is an integer number (23677920).
Almost surely, 2825708972 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 825708972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1136540160).
825708972 is an abundant number, since it is smaller than the sum of its proper divisors (1447371348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
825708972 is a wasteful number, since it uses less digits than its factorization.
825708972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7911 (or 7909 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 48.
The square root of 825708972 is about 28735.1522007453. The cubic root of 825708972 is about 938.1573121136.
The spelling of 825708972 in words is "eight hundred twenty-five million, seven hundred eight thousand, nine hundred seventy-two".
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