Base | Representation |
---|---|
bin | 11110000111010… |
… | …10110101010011 |
3 | 122121100102122120 |
4 | 33003222311103 |
5 | 1004132320430 |
6 | 41022305323 |
7 | 6155143536 |
oct | 1703526523 |
9 | 577312576 |
10 | 252620115 |
11 | 11a663260 |
12 | 70728243 |
13 | 4044c177 |
14 | 2579ca1d |
15 | 172a0610 |
hex | f0ead53 |
252620115 has 16 divisors (see below), whose sum is σ = 440937216. Its totient is φ = 122482400.
The previous prime is 252620111. The next prime is 252620149. The reversal of 252620115 is 511026252.
It is a happy number.
It is not a de Polignac number, because 252620115 - 22 = 252620111 is a prime.
It is a super-2 number, since 2×2526201152 = 127633845005226450, which contains 22 as substring.
It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (252620111) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 765351 + ... + 765680.
It is an arithmetic number, because the mean of its divisors is an integer number (27558576).
Almost surely, 2252620115 is an apocalyptic number.
252620115 is a deficient number, since it is larger than the sum of its proper divisors (188317101).
252620115 is a wasteful number, since it uses less digits than its factorization.
252620115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1531050.
The product of its (nonzero) digits is 1200, while the sum is 24.
The square root of 252620115 is about 15894.0276519201. The cubic root of 252620115 is about 632.1536397754.
Adding to 252620115 its reverse (511026252), we get a palindrome (763646367).
The spelling of 252620115 in words is "two hundred fifty-two million, six hundred twenty thousand, one hundred fifteen".
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