Base | Representation |
---|---|
bin | 11110001010111… |
… | …01100000110001 |
3 | 122122020021222211 |
4 | 33011131200301 |
5 | 1004242333331 |
6 | 41040332121 |
7 | 6162141154 |
oct | 1705354061 |
9 | 578207884 |
10 | 253089841 |
11 | 11a954164 |
12 | 70914041 |
13 | 40584c04 |
14 | 25881c9b |
15 | 173448b1 |
hex | f15d831 |
253089841 has 2 divisors, whose sum is σ = 253089842. Its totient is φ = 253089840.
The previous prime is 253089839. The next prime is 253089853. The reversal of 253089841 is 148980352.
253089841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 252810000 + 279841 = 15900^2 + 529^2 .
It is a cyclic number.
It is not a de Polignac number, because 253089841 - 21 = 253089839 is a prime.
Together with 253089839, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 253089794 and 253089803.
It is not a weakly prime, because it can be changed into another prime (253089821) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126544920 + 126544921.
It is an arithmetic number, because the mean of its divisors is an integer number (126544921).
Almost surely, 2253089841 is an apocalyptic number.
It is an amenable number.
253089841 is a deficient number, since it is larger than the sum of its proper divisors (1).
253089841 is an equidigital number, since it uses as much as digits as its factorization.
253089841 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 69120, while the sum is 40.
The square root of 253089841 is about 15908.7975975559. The cubic root of 253089841 is about 632.5452094729.
The spelling of 253089841 in words is "two hundred fifty-three million, eighty-nine thousand, eight hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •