Base | Representation |
---|---|
bin | 1100011101011… |
… | …1100011010001 |
3 | 10122100020112011 |
4 | 3013113203101 |
5 | 101334404441 |
6 | 5104102521 |
7 | 1203141421 |
oct | 307274321 |
9 | 118306464 |
10 | 52263121 |
11 | 27557069 |
12 | 15604a41 |
13 | aa9b531 |
14 | 6d26481 |
15 | 48c5581 |
hex | 31d78d1 |
52263121 has 2 divisors, whose sum is σ = 52263122. Its totient is φ = 52263120.
The previous prime is 52263119. The next prime is 52263131. The reversal of 52263121 is 12136225.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 50908225 + 1354896 = 7135^2 + 1164^2 .
It is a cyclic number.
It is not a de Polignac number, because 52263121 - 21 = 52263119 is a prime.
Together with 52263119, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 52263092 and 52263101.
It is not a weakly prime, because it can be changed into another prime (52263131) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26131560 + 26131561.
It is an arithmetic number, because the mean of its divisors is an integer number (26131561).
Almost surely, 252263121 is an apocalyptic number.
It is an amenable number.
52263121 is a deficient number, since it is larger than the sum of its proper divisors (1).
52263121 is an equidigital number, since it uses as much as digits as its factorization.
52263121 is an evil number, because the sum of its binary digits is even.
The product of its digits is 720, while the sum is 22.
The square root of 52263121 is about 7229.3236889767. The cubic root of 52263121 is about 373.8796094150.
Adding to 52263121 its reverse (12136225), we get a palindrome (64399346).
The spelling of 52263121 in words is "fifty-two million, two hundred sixty-three thousand, one hundred twenty-one".
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