Base | Representation |
---|---|
bin | 110001001011101… |
… | …100001000101110 |
3 | 2010111122212012012 |
4 | 301023230020232 |
5 | 3142214213300 |
6 | 213513441222 |
7 | 26306433104 |
oct | 6113541056 |
9 | 2114585165 |
10 | 825147950 |
11 | 393857960 |
12 | 1b0410212 |
13 | 101c49533 |
14 | 7b833c74 |
15 | 4c693435 |
hex | 312ec22e |
825147950 has 24 divisors (see below), whose sum is σ = 1674301320. Its totient is φ = 300053600.
The previous prime is 825147949. The next prime is 825147959. The reversal of 825147950 is 59741528.
It is a junction number, because it is equal to n+sod(n) for n = 825147898 and 825147907.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (825147959) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 749585 + ... + 750684.
It is an arithmetic number, because the mean of its divisors is an integer number (69762555).
Almost surely, 2825147950 is an apocalyptic number.
825147950 is an abundant number, since it is smaller than the sum of its proper divisors (849153370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
825147950 is a wasteful number, since it uses less digits than its factorization.
825147950 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1500292 (or 1500287 counting only the distinct ones).
The product of its (nonzero) digits is 100800, while the sum is 41.
The square root of 825147950 is about 28725.3885961531. The cubic root of 825147950 is about 937.9447892363.
The spelling of 825147950 in words is "eight hundred twenty-five million, one hundred forty-seven thousand, nine hundred fifty".
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