Base | Representation |
---|---|
bin | 11110100001001… |
… | …011001111000101 |
3 | 1022200102222010211 |
4 | 132201023033011 |
5 | 2022033411003 |
6 | 122450115421 |
7 | 15455020003 |
oct | 3641131705 |
9 | 1280388124 |
10 | 512013253 |
11 | 243022154 |
12 | 12357bb71 |
13 | 8210012b |
14 | 4c001a73 |
15 | 2ee3c96d |
hex | 1e84b3c5 |
512013253 has 4 divisors (see below), whose sum is σ = 522907200. Its totient is φ = 501119308.
The previous prime is 512013247. The next prime is 512013287. The reversal of 512013253 is 352310215.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 512013253 - 213 = 512005061 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 (512013053) 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, 5446903 + ... + 5446996.
It is an arithmetic number, because the mean of its divisors is an integer number (130726800).
Almost surely, 2512013253 is an apocalyptic number.
It is an amenable number.
512013253 is a deficient number, since it is larger than the sum of its proper divisors (10893947).
512013253 is a wasteful number, since it uses less digits than its factorization.
512013253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10893946.
The product of its (nonzero) digits is 900, while the sum is 22.
The square root of 512013253 is about 22627.7098487673. The cubic root of 512013253 is about 800.0069025446.
Adding to 512013253 its reverse (352310215), we get a palindrome (864323468).
The spelling of 512013253 in words is "five hundred twelve million, thirteen thousand, two hundred fifty-three".
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