Base | Representation |
---|---|
bin | 11110000110010… |
… | …10000101011111 |
3 | 122121002121122201 |
4 | 33003022011133 |
5 | 1004114022413 |
6 | 41015352331 |
7 | 6154044511 |
oct | 1703120537 |
9 | 577077581 |
10 | 252485983 |
11 | 11a581502 |
12 | 706826a7 |
13 | 404030b9 |
14 | 25765bb1 |
15 | 172759dd |
hex | f0ca15f |
252485983 has 4 divisors (see below), whose sum is σ = 252580000. Its totient is φ = 252391968.
The previous prime is 252485963. The next prime is 252485993. The reversal of 252485983 is 389584252.
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 252485983 - 213 = 252477791 is a prime.
It is a super-2 number, since 2×2524859832 = 127498343222952578, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252485963) 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, 42858 + ... + 48391.
It is an arithmetic number, because the mean of its divisors is an integer number (63145000).
Almost surely, 2252485983 is an apocalyptic number.
252485983 is a deficient number, since it is larger than the sum of its proper divisors (94017).
252485983 is an equidigital number, since it uses as much as digits as its factorization.
252485983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 94016.
The product of its digits is 691200, while the sum is 46.
The square root of 252485983 is about 15889.8075192873. The cubic root of 252485983 is about 632.0417365149.
The spelling of 252485983 in words is "two hundred fifty-two million, four hundred eighty-five thousand, nine hundred eighty-three".
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