Base | Representation |
---|---|
bin | 1100011100111… |
… | …1101001000101 |
3 | 10122021121002022 |
4 | 3013033221011 |
5 | 101332340400 |
6 | 5103252525 |
7 | 1202645111 |
oct | 307175105 |
9 | 118247068 |
10 | 52230725 |
11 | 27534798 |
12 | 155aa145 |
13 | aa89871 |
14 | 6d18741 |
15 | 48bab85 |
hex | 31cfa45 |
52230725 has 12 divisors (see below), whose sum is σ = 65042340. Its totient is φ = 41606400.
The previous prime is 52230713. The next prime is 52230727. The reversal of 52230725 is 52703225.
It can be written as a sum of positive squares in 6 ways, for example, as 73441 + 52157284 = 271^2 + 7222^2 .
It is not a de Polignac number, because 52230725 - 28 = 52230469 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 52230694 and 52230703.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52230727) 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, 1691 + ... + 10359.
It is an arithmetic number, because the mean of its divisors is an integer number (5420195).
Almost surely, 252230725 is an apocalyptic number.
It is an amenable number.
52230725 is a deficient number, since it is larger than the sum of its proper divisors (12811615).
52230725 is a wasteful number, since it uses less digits than its factorization.
52230725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8920 (or 8915 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 26.
The square root of 52230725 is about 7227.0827447871. The cubic root of 52230725 is about 373.8023420093.
The spelling of 52230725 in words is "fifty-two million, two hundred thirty thousand, seven hundred twenty-five".
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