Base | Representation |
---|---|
bin | 11110001001011… |
… | …11110111011111 |
3 | 122121212210112022 |
4 | 33010233313133 |
5 | 1004220343004 |
6 | 41032330355 |
7 | 6160432115 |
oct | 1704576737 |
9 | 577783468 |
10 | 252902879 |
11 | 11a836749 |
12 | 708439bb |
13 | 4051aa98 |
14 | 25833ab5 |
15 | 173092be |
hex | f12fddf |
252902879 has 4 divisors (see below), whose sum is σ = 256367376. Its totient is φ = 249438384.
The previous prime is 252902873. The next prime is 252902921. The reversal of 252902879 is 978209252.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 252902879 - 224 = 236125663 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252902873) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1732139 + ... + 1732284.
It is an arithmetic number, because the mean of its divisors is an integer number (64091844).
Almost surely, 2252902879 is an apocalyptic number.
252902879 is a deficient number, since it is larger than the sum of its proper divisors (3464497).
252902879 is an equidigital number, since it uses as much as digits as its factorization.
252902879 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3464496.
The product of its (nonzero) digits is 181440, while the sum is 44.
The square root of 252902879 is about 15902.9204550611. The cubic root of 252902879 is about 632.3894136105.
The spelling of 252902879 in words is "two hundred fifty-two million, nine hundred two thousand, eight hundred seventy-nine".
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