Base | Representation |
---|---|
bin | 11110001010110… |
… | …11111111101111 |
3 | 122122012222110211 |
4 | 33011123333233 |
5 | 1004242134011 |
6 | 41040243251 |
7 | 6162114103 |
oct | 1705337757 |
9 | 578188424 |
10 | 253083631 |
11 | 11a94a529 |
12 | 70910527 |
13 | 40582138 |
14 | 2587d903 |
15 | 17342b21 |
hex | f15bfef |
253083631 has 4 divisors (see below), whose sum is σ = 253671264. Its totient is φ = 252496000.
The previous prime is 253083619. The next prime is 253083637. The reversal of 253083631 is 136380352.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 253083631 - 25 = 253083599 is a prime.
It is a super-2 number, since 2×2530836312 = 128102648560288322, which contains 22 as substring.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 253083593 and 253083602.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253083637) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293170 + ... + 294031.
It is an arithmetic number, because the mean of its divisors is an integer number (63417816).
Almost surely, 2253083631 is an apocalyptic number.
253083631 is a deficient number, since it is larger than the sum of its proper divisors (587633).
253083631 is an equidigital number, since it uses as much as digits as its factorization.
253083631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 587632.
The product of its (nonzero) digits is 12960, while the sum is 31.
The square root of 253083631 is about 15908.6024213317. The cubic root of 253083631 is about 632.5400358979.
The spelling of 253083631 in words is "two hundred fifty-three million, eighty-three thousand, six hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •