Base | Representation |
---|---|
bin | 11110000101111… |
… | …00011010111101 |
3 | 122120222202212202 |
4 | 33002330122331 |
5 | 1004110230023 |
6 | 41014241245 |
7 | 6153422363 |
oct | 1702743275 |
9 | 576882782 |
10 | 252430013 |
11 | 11a543450 |
12 | 70656225 |
13 | 403b3794 |
14 | 2574d633 |
15 | 17264128 |
hex | f0bc6bd |
252430013 has 8 divisors (see below), whose sum is σ = 277953120. Its totient is φ = 227336080.
The previous prime is 252429973. The next prime is 252430033. The reversal of 252430013 is 310034252.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 252430013 - 28 = 252429757 is a prime.
It is a super-2 number, since 2×2524300132 = 127441822926360338, 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 (252430033) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 106058 + ... + 108411.
It is an arithmetic number, because the mean of its divisors is an integer number (34744140).
Almost surely, 2252430013 is an apocalyptic number.
It is an amenable number.
252430013 is a deficient number, since it is larger than the sum of its proper divisors (25523107).
252430013 is a wasteful number, since it uses less digits than its factorization.
252430013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 214587.
The product of its (nonzero) digits is 720, while the sum is 20.
The square root of 252430013 is about 15888.0462297918. The cubic root of 252430013 is about 631.9950303046.
Adding to 252430013 its reverse (310034252), we get a palindrome (562464265).
The spelling of 252430013 in words is "two hundred fifty-two million, four hundred thirty thousand, thirteen".
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