Base | Representation |
---|---|
bin | 11001101100100… |
… | …110000010010010 |
3 | 1010001020012012001 |
4 | 121230212002102 |
5 | 1340331324110 |
6 | 110440224214 |
7 | 13453315111 |
oct | 3154460222 |
9 | 1101205161 |
10 | 431120530 |
11 | 2013a1265 |
12 | 10046b06a |
13 | 6b419609 |
14 | 41385c78 |
15 | 27cae63a |
hex | 19b26092 |
431120530 has 8 divisors (see below), whose sum is σ = 776016972. Its totient is φ = 172448208.
The previous prime is 431120483. The next prime is 431120551. The reversal of 431120530 is 35021134.
It can be written as a sum of positive squares in 2 ways, for example, as 426381201 + 4739329 = 20649^2 + 2177^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×4311205302 = 371729822774961800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 431120498 and 431120507.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21556017 + ... + 21556036.
Almost surely, 2431120530 is an apocalyptic number.
431120530 is a deficient number, since it is larger than the sum of its proper divisors (344896442).
431120530 is a wasteful number, since it uses less digits than its factorization.
431120530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43112060.
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 431120530 is about 20763.4421520132. The cubic root of 431120530 is about 755.4392894034.
Adding to 431120530 its reverse (35021134), we get a palindrome (466141664).
The spelling of 431120530 in words is "four hundred thirty-one million, one hundred twenty thousand, five hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •