Base | Representation |
---|---|
bin | 11110001011110… |
… | …11010110001001 |
3 | 122122110111121202 |
4 | 33011323112021 |
5 | 1004310241131 |
6 | 41043113545 |
7 | 6163160345 |
oct | 1705732611 |
9 | 578414552 |
10 | 253212041 |
11 | 11aa27a55 |
12 | 709728b5 |
13 | 405c8714 |
14 | 258b4625 |
15 | 1736abcb |
hex | f17b589 |
253212041 has 2 divisors, whose sum is σ = 253212042. Its totient is φ = 253212040.
The previous prime is 253211989. The next prime is 253212049. The reversal of 253212041 is 140212352.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 213773641 + 39438400 = 14621^2 + 6280^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-253212041 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (253212049) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126606020 + 126606021.
It is an arithmetic number, because the mean of its divisors is an integer number (126606021).
Almost surely, 2253212041 is an apocalyptic number.
It is an amenable number.
253212041 is a deficient number, since it is larger than the sum of its proper divisors (1).
253212041 is an equidigital number, since it uses as much as digits as its factorization.
253212041 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 253212041 is about 15912.6377763085. The cubic root of 253212041 is about 632.6469975536.
Adding to 253212041 its reverse (140212352), we get a palindrome (393424393).
The spelling of 253212041 in words is "two hundred fifty-three million, two hundred twelve thousand, forty-one".
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