Base | Representation |
---|---|
bin | 1000010100000000… |
… | …1111110100100010 |
3 | 12202111211121201100 |
4 | 2011000033310202 |
5 | 14032221401110 |
6 | 1005231215230 |
7 | 106203611013 |
oct | 20500176442 |
9 | 5674747640 |
10 | 2231434530 |
11 | a4564a876 |
12 | 523377516 |
13 | 2973b9580 |
14 | 17250100a |
15 | d0d7abc0 |
hex | 8500fd22 |
2231434530 has 48 divisors (see below), whose sum is σ = 6248019960. Its totient is φ = 549275904.
The previous prime is 2231434523. The next prime is 2231434549. The reversal of 2231434530 is 354341322.
2231434530 is a `hidden beast` number, since 2 + 2 + 314 + 345 + 3 + 0 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 2030673969 + 200760561 = 45063^2 + 14169^2 .
It is a super-3 number, since 3×22314345303 (a number of 29 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2231434494 and 2231434503.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 952435 + ... + 954774.
Almost surely, 22231434530 is an apocalyptic number.
2231434530 is an abundant number, since it is smaller than the sum of its proper divisors (4016585430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2231434530 is a wasteful number, since it uses less digits than its factorization.
2231434530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1907235 (or 1907232 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 27.
The square root of 2231434530 is about 47238.0623014958. The cubic root of 2231434530 is about 1306.7566425819.
Adding to 2231434530 its reverse (354341322), we get a palindrome (2585775852).
The spelling of 2231434530 in words is "two billion, two hundred thirty-one million, four hundred thirty-four thousand, five hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •