Base | Representation |
---|---|
bin | 11110001000110… |
… | …00000011111111 |
3 | 122121200211210001 |
4 | 33010120003333 |
5 | 1004204233000 |
6 | 41030255131 |
7 | 6156544624 |
oct | 1704300377 |
9 | 577624701 |
10 | 252805375 |
11 | 11a77a469 |
12 | 707b74a7 |
13 | 404b55a4 |
14 | 2580a34b |
15 | 172da46a |
hex | f1180ff |
252805375 has 16 divisors (see below), whose sum is σ = 316038528. Its totient is φ = 201900000.
The previous prime is 252805367. The next prime is 252805439. The reversal of 252805375 is 573508252.
It is not a de Polignac number, because 252805375 - 23 = 252805367 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92529 + ... + 95221.
It is an arithmetic number, because the mean of its divisors is an integer number (19752408).
Almost surely, 2252805375 is an apocalyptic number.
252805375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
252805375 is a deficient number, since it is larger than the sum of its proper divisors (63233153).
252805375 is an equidigital number, since it uses as much as digits as its factorization.
252805375 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3459 (or 3449 counting only the distinct ones).
The product of its (nonzero) digits is 84000, while the sum is 37.
The square root of 252805375 is about 15899.8545590832. The cubic root of 252805375 is about 632.3081328391.
The spelling of 252805375 in words is "two hundred fifty-two million, eight hundred five thousand, three hundred seventy-five".
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