Base | Representation |
---|---|
bin | 1100011010000… |
… | …1010111111101 |
3 | 10121220222010100 |
4 | 3012201113331 |
5 | 101310304323 |
6 | 5055231313 |
7 | 1201225440 |
oct | 306412775 |
9 | 117828110 |
10 | 52041213 |
11 | 27415374 |
12 | 15518539 |
13 | aa21523 |
14 | 6ca9657 |
15 | 487e943 |
hex | 31a15fd |
52041213 has 12 divisors (see below), whose sum is σ = 85909408. Its totient is φ = 29737800.
The previous prime is 52041211. The next prime is 52041221. The reversal of 52041213 is 31214025.
It is not a de Polignac number, because 52041213 - 21 = 52041211 is a prime.
It is a super-2 number, since 2×520412132 = 5416575701022738, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52041211) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 412963 + ... + 413088.
Almost surely, 252041213 is an apocalyptic number.
It is an amenable number.
52041213 is a deficient number, since it is larger than the sum of its proper divisors (33868195).
52041213 is a wasteful number, since it uses less digits than its factorization.
52041213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 826064 (or 826061 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 52041213 is about 7213.9595923459. The cubic root of 52041213 is about 373.3496973234.
Adding to 52041213 its reverse (31214025), we get a palindrome (83255238).
The spelling of 52041213 in words is "fifty-two million, forty-one thousand, two hundred thirteen".
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