Base | Representation |
---|---|
bin | 1001100010101… |
… | …1000110101001 |
3 | 2210022100110122 |
4 | 2120223012221 |
5 | 40221204231 |
6 | 3545453025 |
7 | 664120334 |
oct | 230530651 |
9 | 83270418 |
10 | 40022441 |
11 | 206564a8 |
12 | 114a1175 |
13 | 83a3b24 |
14 | 545b61b |
15 | 37a877b |
hex | 262b1a9 |
40022441 has 2 divisors, whose sum is σ = 40022442. Its totient is φ = 40022440.
The previous prime is 40022429. The next prime is 40022447. The reversal of 40022441 is 14422004.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 29106025 + 10916416 = 5395^2 + 3304^2 .
It is a cyclic number.
It is not a de Polignac number, because 40022441 - 26 = 40022377 is a prime.
It is a super-3 number, since 3×400224413 (a number of 24 digits) contains 333 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (40022447) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20011220 + 20011221.
It is an arithmetic number, because the mean of its divisors is an integer number (20011221).
Almost surely, 240022441 is an apocalyptic number.
It is an amenable number.
40022441 is a deficient number, since it is larger than the sum of its proper divisors (1).
40022441 is an equidigital number, since it uses as much as digits as its factorization.
40022441 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 256, while the sum is 17.
The square root of 40022441 is about 6326.3291883999. The cubic root of 40022441 is about 342.0591333291.
Adding to 40022441 its reverse (14422004), we get a palindrome (54444445).
The spelling of 40022441 in words is "forty million, twenty-two thousand, four hundred forty-one".
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