Base | Representation |
---|---|
bin | 11110001100100… |
… | …11100101100010 |
3 | 122122122112211010 |
4 | 33012103211202 |
5 | 1004321430310 |
6 | 41045201350 |
7 | 6164052666 |
oct | 1706234542 |
9 | 578575733 |
10 | 253311330 |
11 | 11aa95608 |
12 | 70a00256 |
13 | 4063197c |
14 | 258dc8a6 |
15 | 1738a320 |
hex | f193962 |
253311330 has 16 divisors (see below), whose sum is σ = 607947264. Its totient is φ = 67549680.
The previous prime is 253311301. The next prime is 253311337. The reversal of 253311330 is 33113352.
253311330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 253311297 and 253311306.
It is not an unprimeable number, because it can be changed into a prime (253311337) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4221826 + ... + 4221885.
It is an arithmetic number, because the mean of its divisors is an integer number (37996704).
Almost surely, 2253311330 is an apocalyptic number.
253311330 is an abundant number, since it is smaller than the sum of its proper divisors (354635934).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253311330 is a wasteful number, since it uses less digits than its factorization.
253311330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8443721.
The product of its (nonzero) digits is 810, while the sum is 21.
The square root of 253311330 is about 15915.7572864127. The cubic root of 253311330 is about 632.7296775070.
Adding to 253311330 its reverse (33113352), we get a palindrome (286424682).
The spelling of 253311330 in words is "two hundred fifty-three million, three hundred eleven thousand, three hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.095 sec. • engine limits •