Base | Representation |
---|---|
bin | 1001000110100011… |
… | …1010001001000111 |
3 | 20022021201121102121 |
4 | 2101220322021013 |
5 | 20001003421411 |
6 | 1042242550411 |
7 | 114356505100 |
oct | 22150721107 |
9 | 6267647377 |
10 | 2443420231 |
11 | 104427986a |
12 | 582368407 |
13 | 2cc2ac1b5 |
14 | 1927233a7 |
15 | e47a1571 |
hex | 91a3a247 |
2443420231 has 6 divisors (see below), whose sum is σ = 2842346040. Its totient is φ = 2094360156.
The previous prime is 2443420229. The next prime is 2443420271. The reversal of 2443420231 is 1320243442.
It is a happy number.
It is not a de Polignac number, because 2443420231 - 21 = 2443420229 is a prime.
It is a super-2 number, since 2×24434202312 = 11940604850520186722, 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 = 2443420196 and 2443420205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2443420271) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24932811 + ... + 24932908.
It is an arithmetic number, because the mean of its divisors is an integer number (473724340).
Almost surely, 22443420231 is an apocalyptic number.
2443420231 is a deficient number, since it is larger than the sum of its proper divisors (398925809).
2443420231 is an equidigital number, since it uses as much as digits as its factorization.
2443420231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49865733 (or 49865726 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 25.
The square root of 2443420231 is about 49430.9642936490. The cubic root of 2443420231 is about 1346.8918400293.
Adding to 2443420231 its reverse (1320243442), we get a palindrome (3763663673).
The spelling of 2443420231 in words is "two billion, four hundred forty-three million, four hundred twenty thousand, two hundred thirty-one".
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