Base | Representation |
---|---|
bin | 101010000001… |
… | …0101110001001 |
3 | 1112110022011220 |
4 | 1110002232021 |
5 | 21114444431 |
6 | 2104112253 |
7 | 355156011 |
oct | 124025611 |
9 | 45408156 |
10 | 22031241 |
11 | 11488441 |
12 | 7465689 |
13 | 4744b4b |
14 | 2cd6c41 |
15 | 1e02b96 |
hex | 1502b89 |
22031241 has 16 divisors (see below), whose sum is σ = 31046400. Its totient is φ = 13858128.
The previous prime is 22031239. The next prime is 22031281. The reversal of 22031241 is 14213022.
It is not a de Polignac number, because 22031241 - 21 = 22031239 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 22031241.
It is not an unprimeable number, because it can be changed into a prime (22031281) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16870 + ... + 18128.
It is an arithmetic number, because the mean of its divisors is an integer number (1940400).
Almost surely, 222031241 is an apocalyptic number.
It is an amenable number.
22031241 is a deficient number, since it is larger than the sum of its proper divisors (9015159).
22031241 is a wasteful number, since it uses less digits than its factorization.
22031241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1588.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 22031241 is about 4693.7448801570. The cubic root of 22031241 is about 280.3365044400.
Adding to 22031241 its reverse (14213022), we get a palindrome (36244263).
The spelling of 22031241 in words is "twenty-two million, thirty-one thousand, two hundred forty-one".
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