Base | Representation |
---|---|
bin | 1001000110100000… |
… | …1001010111001111 |
3 | 20022021100110100121 |
4 | 2101220021113033 |
5 | 20000431023211 |
6 | 1042234405411 |
7 | 114355013431 |
oct | 22150112717 |
9 | 6267313317 |
10 | 2443220431 |
11 | 1044152743 |
12 | 582290867 |
13 | 2cc23c282 |
14 | 1926b0651 |
15 | e4762271 |
hex | 91a095cf |
2443220431 has 8 divisors (see below), whose sum is σ = 2573617280. Its totient is φ = 2313004248.
The previous prime is 2443220413. The next prime is 2443220473. The reversal of 2443220431 is 1340223442.
It is a happy number.
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 2443220431 - 27 = 2443220303 is a prime.
It is a super-2 number, since 2×24432204312 = 11938652148911651522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2443220396 and 2443220405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2443220231) 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, 16941 + ... + 71926.
It is an arithmetic number, because the mean of its divisors is an integer number (321702160).
Almost surely, 22443220431 is an apocalyptic number.
2443220431 is a deficient number, since it is larger than the sum of its proper divisors (130396849).
2443220431 is a wasteful number, since it uses less digits than its factorization.
2443220431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90333.
The product of its (nonzero) digits is 4608, while the sum is 25.
The square root of 2443220431 is about 49428.9432519045. The cubic root of 2443220431 is about 1346.8551269660.
Adding to 2443220431 its reverse (1340223442), we get a palindrome (3783443873).
The spelling of 2443220431 in words is "two billion, four hundred forty-three million, two hundred twenty thousand, four hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.023 sec. • engine limits •