Base | Representation |
---|---|
bin | 1100011011101… |
… | …0100111110111 |
3 | 10122010012222122 |
4 | 3012322213313 |
5 | 101322112011 |
6 | 5101350155 |
7 | 1202136110 |
oct | 306724767 |
9 | 118105878 |
10 | 52144631 |
11 | 27486040 |
12 | 1556835b |
13 | aa59616 |
14 | 6cd5207 |
15 | 48a03db |
hex | 31ba9f7 |
52144631 has 16 divisors (see below), whose sum is σ = 65629440. Its totient is φ = 40246080.
The previous prime is 52144597. The next prime is 52144643. The reversal of 52144631 is 13644125.
It is not a de Polignac number, because 52144631 - 214 = 52128247 is a prime.
It is a super-2 number, since 2×521446312 = 5438125084252322, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 52144631.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52144031) 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 15 ways as a sum of consecutive naturals, for example, 5075 + ... + 11403.
It is an arithmetic number, because the mean of its divisors is an integer number (4101840).
Almost surely, 252144631 is an apocalyptic number.
52144631 is a deficient number, since it is larger than the sum of its proper divisors (13484809).
52144631 is a wasteful number, since it uses less digits than its factorization.
52144631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6454.
The product of its digits is 2880, while the sum is 26.
The square root of 52144631 is about 7221.1239429884. The cubic root of 52144631 is about 373.5968445911.
Adding to 52144631 its reverse (13644125), we get a palindrome (65788756).
The spelling of 52144631 in words is "fifty-two million, one hundred forty-four thousand, six hundred thirty-one".
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