Base | Representation |
---|---|
bin | 11110000100011… |
… | …10101001001111 |
3 | 122120122020200020 |
4 | 33002032221033 |
5 | 1004033230021 |
6 | 41010233223 |
7 | 6152011623 |
oct | 1702165117 |
9 | 576566606 |
10 | 252242511 |
11 | 11a425594 |
12 | 70585813 |
13 | 40349331 |
14 | 25701183 |
15 | 172287c6 |
hex | f08ea4f |
252242511 has 8 divisors (see below), whose sum is σ = 337603200. Its totient is φ = 167521752.
The previous prime is 252242509. The next prime is 252242519. The reversal of 252242511 is 115242252.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 252242511 - 21 = 252242509 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252242519) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159061 + ... + 160638.
It is an arithmetic number, because the mean of its divisors is an integer number (42200400).
Almost surely, 2252242511 is an apocalyptic number.
252242511 is a deficient number, since it is larger than the sum of its proper divisors (85360689).
252242511 is a wasteful number, since it uses less digits than its factorization.
252242511 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 319965.
The product of its digits is 1600, while the sum is 24.
The square root of 252242511 is about 15882.1444081081. The cubic root of 252242511 is about 631.8385120905.
Adding to 252242511 its reverse (115242252), we get a palindrome (367484763).
The spelling of 252242511 in words is "two hundred fifty-two million, two hundred forty-two thousand, five hundred eleven".
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