Base | Representation |
---|---|
bin | 11110000101010… |
… | …10001111000101 |
3 | 122120211222200221 |
4 | 33002222033011 |
5 | 1004100334100 |
6 | 41012504341 |
7 | 6152662252 |
oct | 1702521705 |
9 | 576758627 |
10 | 252355525 |
11 | 11a4a2494 |
12 | 7061b0b1 |
13 | 403888c6 |
14 | 25730429 |
15 | 1724c01a |
hex | f0aa3c5 |
252355525 has 24 divisors (see below), whose sum is σ = 323316360. Its totient is φ = 195287040.
The previous prime is 252355501. The next prime is 252355529. The reversal of 252355525 is 525553252.
252355525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 12 ways, for example, as 37527876 + 214827649 = 6126^2 + 14657^2 .
It is not a de Polignac number, because 252355525 - 215 = 252322757 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252355529) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95421 + ... + 98029.
It is an arithmetic number, because the mean of its divisors is an integer number (13471515).
Almost surely, 2252355525 is an apocalyptic number.
252355525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
252355525 is a deficient number, since it is larger than the sum of its proper divisors (70960835).
252355525 is a wasteful number, since it uses less digits than its factorization.
252355525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2745 (or 2740 counting only the distinct ones).
The product of its digits is 75000, while the sum is 34.
The square root of 252355525 is about 15885.7019045430. The cubic root of 252355525 is about 631.9328603636.
The spelling of 252355525 in words is "two hundred fifty-two million, three hundred fifty-five thousand, five hundred twenty-five".
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