Base | Representation |
---|---|
bin | 1100011011100… |
… | …1000011100011 |
3 | 10122002220011212 |
4 | 3012321003203 |
5 | 101321410321 |
6 | 5101300335 |
7 | 1202111306 |
oct | 306710343 |
9 | 118086155 |
10 | 52138211 |
11 | 27481234 |
12 | 155646ab |
13 | aa56718 |
14 | 6cd2b3d |
15 | 489d55b |
hex | 31b90e3 |
52138211 has 8 divisors (see below), whose sum is σ = 53374464. Its totient is φ = 50916040.
The previous prime is 52138189. The next prime is 52138213. The reversal of 52138211 is 11283125.
It is a happy number.
52138211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 52138211 - 210 = 52137187 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (52138213) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4166 + ... + 11028.
It is an arithmetic number, because the mean of its divisors is an integer number (6671808).
Almost surely, 252138211 is an apocalyptic number.
52138211 is a deficient number, since it is larger than the sum of its proper divisors (1236253).
52138211 is a wasteful number, since it uses less digits than its factorization.
52138211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7041.
The product of its digits is 480, while the sum is 23.
The square root of 52138211 is about 7220.6794001673. The cubic root of 52138211 is about 373.5815116595.
The spelling of 52138211 in words is "fifty-two million, one hundred thirty-eight thousand, two hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •