Base | Representation |
---|---|
bin | 11110000011110… |
… | …11101110001101 |
3 | 122120111022100122 |
4 | 33001323232031 |
5 | 1004023240010 |
6 | 41004434325 |
7 | 6151236641 |
oct | 1701735615 |
9 | 576438318 |
10 | 252165005 |
11 | 11a382334 |
12 | 705489a5 |
13 | 4031cc81 |
14 | 256c0c21 |
15 | 17210855 |
hex | f07bb8d |
252165005 has 16 divisors (see below), whose sum is σ = 323136000. Its totient is φ = 188489280.
The previous prime is 252164989. The next prime is 252165013. The reversal of 252165005 is 500561252.
It is not a de Polignac number, because 252165005 - 24 = 252164989 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23555 + ... + 32544.
It is an arithmetic number, because the mean of its divisors is an integer number (20196000).
Almost surely, 2252165005 is an apocalyptic number.
It is an amenable number.
252165005 is a deficient number, since it is larger than the sum of its proper divisors (70970995).
252165005 is a wasteful number, since it uses less digits than its factorization.
252165005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56164.
The product of its (nonzero) digits is 3000, while the sum is 26.
The square root of 252165005 is about 15879.7041849022. The cubic root of 252165005 is about 631.7737909191.
The spelling of 252165005 in words is "two hundred fifty-two million, one hundred sixty-five thousand, five".
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