Base | Representation |
---|---|
bin | 1100011001101… |
… | …1000010000101 |
3 | 10121212122111021 |
4 | 3012123002011 |
5 | 101303441422 |
6 | 5054511141 |
7 | 1201056631 |
oct | 306330205 |
9 | 117778437 |
10 | 52015237 |
11 | 273a78aa |
12 | 155054b1 |
13 | aa12761 |
14 | 6c9ddc1 |
15 | 4876dc7 |
hex | 319b085 |
52015237 has 8 divisors (see below), whose sum is σ = 52608920. Its totient is φ = 51425280.
The previous prime is 52015211. The next prime is 52015247. The reversal of 52015237 is 73251025.
It can be written as a sum of positive squares in 4 ways, for example, as 2819041 + 49196196 = 1679^2 + 7014^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 52015237 - 27 = 52015109 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 (52015247) 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 7 ways as a sum of consecutive naturals, for example, 34189 + ... + 35677.
It is an arithmetic number, because the mean of its divisors is an integer number (6576115).
Almost surely, 252015237 is an apocalyptic number.
It is an amenable number.
52015237 is a deficient number, since it is larger than the sum of its proper divisors (593683).
52015237 is a wasteful number, since it uses less digits than its factorization.
52015237 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1863.
The product of its (nonzero) digits is 2100, while the sum is 25.
The square root of 52015237 is about 7212.1589694071. The cubic root of 52015237 is about 373.2875687064.
The spelling of 52015237 in words is "fifty-two million, fifteen thousand, two hundred thirty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •