Base | Representation |
---|---|
bin | 1100011100101… |
… | …0111000110011 |
3 | 10122020121101001 |
4 | 3013022320303 |
5 | 101331230001 |
6 | 5103022431 |
7 | 1202534251 |
oct | 307127063 |
9 | 118217331 |
10 | 52211251 |
11 | 275210a4 |
12 | 1559aa17 |
13 | aa80a41 |
14 | 6d115d1 |
15 | 48b5001 |
hex | 31cae33 |
52211251 has 2 divisors, whose sum is σ = 52211252. Its totient is φ = 52211250.
The previous prime is 52211177. The next prime is 52211261. The reversal of 52211251 is 15211225.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 52211251 - 219 = 51686963 is a prime.
It is a super-3 number, since 3×522112513 (a number of 24 digits) contains 333 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (52211261) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26105625 + 26105626.
It is an arithmetic number, because the mean of its divisors is an integer number (26105626).
Almost surely, 252211251 is an apocalyptic number.
52211251 is a deficient number, since it is larger than the sum of its proper divisors (1).
52211251 is an equidigital number, since it uses as much as digits as its factorization.
52211251 is an evil number, because the sum of its binary digits is even.
The product of its digits is 200, while the sum is 19.
The square root of 52211251 is about 7225.7353259028. The cubic root of 52211251 is about 373.7558793719.
Adding to 52211251 its reverse (15211225), we get a palindrome (67422476).
The spelling of 52211251 in words is "fifty-two million, two hundred eleven thousand, two hundred fifty-one".
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