Base | Representation |
---|---|
bin | 1100011001110… |
… | …0001111110101 |
3 | 10121212220022120 |
4 | 3012130033311 |
5 | 101304121323 |
6 | 5054550153 |
7 | 1201110300 |
oct | 306341765 |
9 | 117786276 |
10 | 52020213 |
11 | 27400613 |
12 | 15508359 |
13 | aa14abb |
14 | 6ca1b37 |
15 | 48785e3 |
hex | 319c3f5 |
52020213 has 12 divisors (see below), whose sum is σ = 80684640. Its totient is φ = 29725752.
The previous prime is 52020203. The next prime is 52020217. The reversal of 52020213 is 31202025.
It is not a de Polignac number, because 52020213 - 26 = 52020149 is a prime.
It is a super-2 number, since 2×520202132 = 5412205121130738, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 52020192 and 52020201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52020217) 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, 176793 + ... + 177086.
It is an arithmetic number, because the mean of its divisors is an integer number (6723720).
Almost surely, 252020213 is an apocalyptic number.
It is an amenable number.
52020213 is a deficient number, since it is larger than the sum of its proper divisors (28664427).
52020213 is a wasteful number, since it uses less digits than its factorization.
52020213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 353896 (or 353889 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 52020213 is about 7212.5039341410. The cubic root of 52020213 is about 373.2994717552.
Adding to 52020213 its reverse (31202025), we get a palindrome (83222238).
The spelling of 52020213 in words is "fifty-two million, twenty thousand, two hundred thirteen".
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