Base | Representation |
---|---|
bin | 11110001011011… |
… | …00010100101001 |
3 | 122122100101012122 |
4 | 33011230110221 |
5 | 1004301304010 |
6 | 41041521025 |
7 | 6162513056 |
oct | 1705542451 |
9 | 578311178 |
10 | 253150505 |
11 | 11a9957a3 |
12 | 70943175 |
13 | 405a66ca |
14 | 2589a02d |
15 | 17357855 |
hex | f16c529 |
253150505 has 8 divisors (see below), whose sum is σ = 303910152. Its totient is φ = 202434048.
The previous prime is 253150501. The next prime is 253150517. The reversal of 253150505 is 505051352.
253150505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 22505536 + 230644969 = 4744^2 + 15187^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 253150505 - 22 = 253150501 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (253150501) 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, 3929 + ... + 22841.
It is an arithmetic number, because the mean of its divisors is an integer number (37988769).
Almost surely, 2253150505 is an apocalyptic number.
It is an amenable number.
253150505 is a deficient number, since it is larger than the sum of its proper divisors (50759647).
253150505 is a wasteful number, since it uses less digits than its factorization.
253150505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21595.
The product of its (nonzero) digits is 3750, while the sum is 26.
The square root of 253150505 is about 15910.7041013275. The cubic root of 253150505 is about 632.5957444357.
The spelling of 253150505 in words is "two hundred fifty-three million, one hundred fifty thousand, five hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.086 sec. • engine limits •