Base | Representation |
---|---|
bin | 11110000011100… |
… | …11101110100101 |
3 | 122120102122102220 |
4 | 33001303232211 |
5 | 1004021213021 |
6 | 41004022553 |
7 | 6151042323 |
oct | 1701635645 |
9 | 576378386 |
10 | 252132261 |
11 | 11a35a777 |
12 | 70531a59 |
13 | 4030b0b4 |
14 | 256b2d13 |
15 | 17205cc6 |
hex | f073ba5 |
252132261 has 16 divisors (see below), whose sum is σ = 355299840. Its totient is φ = 158598000.
The previous prime is 252132241. The next prime is 252132277. The reversal of 252132261 is 162231252.
It is not a de Polignac number, because 252132261 - 25 = 252132229 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252132241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5496 + ... + 23118.
It is an arithmetic number, because the mean of its divisors is an integer number (22206240).
Almost surely, 2252132261 is an apocalyptic number.
It is an amenable number.
252132261 is a deficient number, since it is larger than the sum of its proper divisors (103167579).
252132261 is a wasteful number, since it uses less digits than its factorization.
252132261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17896.
The product of its digits is 1440, while the sum is 24.
The square root of 252132261 is about 15878.6731498573. The cubic root of 252132261 is about 631.7464441474.
The spelling of 252132261 in words is "two hundred fifty-two million, one hundred thirty-two thousand, two hundred sixty-one".
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