Base | Representation |
---|---|
bin | 11110000110100… |
… | …00000100110001 |
3 | 122121010212022020 |
4 | 33003100010301 |
5 | 1004120314023 |
6 | 41020102053 |
7 | 6154206153 |
oct | 1703200461 |
9 | 577125266 |
10 | 252510513 |
11 | 11a598982 |
12 | 70694929 |
13 | 40411308 |
14 | 25770ad3 |
15 | 1727cde3 |
hex | f0d0131 |
252510513 has 32 divisors (see below), whose sum is σ = 365783040. Its totient is φ = 154419840.
The previous prime is 252510509. The next prime is 252510523. The reversal of 252510513 is 315015252.
It is a happy number.
It is not a de Polignac number, because 252510513 - 22 = 252510509 is a prime.
It is not an unprimeable number, because it can be changed into a prime (252510523) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 389956 + ... + 390602.
It is an arithmetic number, because the mean of its divisors is an integer number (11430720).
Almost surely, 2252510513 is an apocalyptic number.
It is an amenable number.
252510513 is a deficient number, since it is larger than the sum of its proper divisors (113272527).
252510513 is a wasteful number, since it uses less digits than its factorization.
252510513 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 877.
The product of its (nonzero) digits is 1500, while the sum is 24.
The square root of 252510513 is about 15890.5793789906. The cubic root of 252510513 is about 632.0622042937.
Adding to 252510513 its reverse (315015252), we get a palindrome (567525765).
The spelling of 252510513 in words is "two hundred fifty-two million, five hundred ten thousand, five hundred thirteen".
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