Base | Representation |
---|---|
bin | 10101100001111… |
… | …111000001011111 |
3 | 221011201101222212 |
4 | 111201333001133 |
5 | 1214433333211 |
6 | 55502231035 |
7 | 11644256642 |
oct | 2541770137 |
9 | 834641885 |
10 | 361230431 |
11 | 1759a5851 |
12 | a0b8547b |
13 | 59ab8b23 |
14 | 35d91a59 |
15 | 21aa638b |
hex | 1587f05f |
361230431 has 2 divisors, whose sum is σ = 361230432. Its totient is φ = 361230430.
The previous prime is 361230427. The next prime is 361230461. The reversal of 361230431 is 134032163.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 361230431 - 22 = 361230427 is a prime.
It is a super-2 number, since 2×3612304312 = 260974848560891522, which contains 22 as substring.
It is a Sophie Germain prime.
It is a junction number, because it is equal to n+sod(n) for n = 361230397 and 361230406.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (361230421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180615215 + 180615216.
It is an arithmetic number, because the mean of its divisors is an integer number (180615216).
Almost surely, 2361230431 is an apocalyptic number.
361230431 is a deficient number, since it is larger than the sum of its proper divisors (1).
361230431 is an equidigital number, since it uses as much as digits as its factorization.
361230431 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1296, while the sum is 23.
The square root of 361230431 is about 19006.0630063146. The cubic root of 361230431 is about 712.1882044396.
Adding to 361230431 its reverse (134032163), we get a palindrome (495262594).
It can be divided in two parts, 3612 and 30431, that added together give a palindrome (34043).
The spelling of 361230431 in words is "three hundred sixty-one million, two hundred thirty thousand, four hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •