Base | Representation |
---|---|
bin | 1001000101110010… |
… | …1101100111111111 |
3 | 20022001201011222012 |
4 | 2101130231213333 |
5 | 14444144120411 |
6 | 1042050241435 |
7 | 114320361305 |
oct | 22134554777 |
9 | 6261634865 |
10 | 2440223231 |
11 | 1042495916 |
12 | 58128627b |
13 | 2cb72cc94 |
14 | 192130275 |
15 | e436e18b |
hex | 9172d9ff |
2440223231 has 8 divisors (see below), whose sum is σ = 2592711360. Its totient is φ = 2296676064.
The previous prime is 2440223209. The next prime is 2440223237. The reversal of 2440223231 is 1323220442.
It is not a de Polignac number, because 2440223231 - 26 = 2440223167 is a prime.
It is a super-2 number, since 2×24402232312 = 11909378834224158722, 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 = 2440223197 and 2440223206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2440223237) 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, 243431 + ... + 253256.
It is an arithmetic number, because the mean of its divisors is an integer number (324088920).
Almost surely, 22440223231 is an apocalyptic number.
2440223231 is a deficient number, since it is larger than the sum of its proper divisors (152488129).
2440223231 is an frugal number, since it uses more digits than its factorization.
2440223231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 496738 (or 496704 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 23.
The square root of 2440223231 is about 49398.6156789844. The cubic root of 2440223231 is about 1346.3041538921.
Adding to 2440223231 its reverse (1323220442), we get a palindrome (3763443673).
The spelling of 2440223231 in words is "two billion, four hundred forty million, two hundred twenty-three thousand, two hundred thirty-one".
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