Base | Representation |
---|---|
bin | 11101110100001… |
… | …00111010111010 |
3 | 122102121200021210 |
4 | 32322010322322 |
5 | 1003011334110 |
6 | 40452343550 |
7 | 6124601433 |
oct | 1672047272 |
9 | 572550253 |
10 | 250105530 |
11 | 1191a5a94 |
12 | 6b914bb6 |
13 | 3ca7b74c |
14 | 2530648a |
15 | 16e55520 |
hex | ee84eba |
250105530 has 64 divisors (see below), whose sum is σ = 637383168. Its totient is φ = 62592000.
The previous prime is 250105481. The next prime is 250105577. The reversal of 250105530 is 35501052.
It is a super-2 number, since 2×2501055302 = 125105552273161800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 250105497 and 250105506.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 332655 + ... + 333405.
It is an arithmetic number, because the mean of its divisors is an integer number (9959112).
Almost surely, 2250105530 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 250105530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318691584).
250105530 is an abundant number, since it is smaller than the sum of its proper divisors (387277638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
250105530 is a wasteful number, since it uses less digits than its factorization.
250105530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1431.
The product of its (nonzero) digits is 750, while the sum is 21.
The square root of 250105530 is about 15814.7251003614. The cubic root of 250105530 is about 630.0491521238.
Adding to 250105530 its reverse (35501052), we get a palindrome (285606582).
The spelling of 250105530 in words is "two hundred fifty million, one hundred five thousand, five hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •