Base | Representation |
---|---|
bin | 11110000011110… |
… | …10000001001001 |
3 | 122120110221210010 |
4 | 33001322001021 |
5 | 1004023024100 |
6 | 41004342133 |
7 | 6151210410 |
oct | 1701720111 |
9 | 576427703 |
10 | 252158025 |
11 | 11a378069 |
12 | 70544949 |
13 | 40319a42 |
14 | 256bc477 |
15 | 1720d750 |
hex | f07a049 |
252158025 has 96 divisors (see below), whose sum is σ = 531394560. Its totient is φ = 102712320.
The previous prime is 252158017. The next prime is 252158029. The reversal of 252158025 is 520851252.
It is not a de Polignac number, because 252158025 - 23 = 252158017 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 252157983 and 252158001.
It is not an unprimeable number, because it can be changed into a prime (252158029) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 168832 + ... + 170318.
It is an arithmetic number, because the mean of its divisors is an integer number (5535360).
Almost surely, 2252158025 is an apocalyptic number.
252158025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
252158025 is an abundant number, since it is smaller than the sum of its proper divisors (279236535).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252158025 is a wasteful number, since it uses less digits than its factorization.
252158025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1543 (or 1538 counting only the distinct ones).
The product of its (nonzero) digits is 8000, while the sum is 30.
The square root of 252158025 is about 15879.4844059875. The cubic root of 252158025 is about 631.7679616385.
The spelling of 252158025 in words is "two hundred fifty-two million, one hundred fifty-eight thousand, twenty-five".
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