Base | Representation |
---|---|
bin | 101010000011… |
… | …1010011010111 |
3 | 1112111020220221 |
4 | 1110013103113 |
5 | 21121100012 |
6 | 2104335211 |
7 | 355264510 |
oct | 124072327 |
9 | 45436827 |
10 | 22050007 |
11 | 114a0551 |
12 | 7474507 |
13 | 4750555 |
14 | 2cdda07 |
15 | 1e08507 |
hex | 15074d7 |
22050007 has 4 divisors (see below), whose sum is σ = 25200016. Its totient is φ = 18900000.
The previous prime is 22050001. The next prime is 22050019. The reversal of 22050007 is 70005022.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 22050007 - 23 = 22049999 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22050001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1574994 + ... + 1575007.
It is an arithmetic number, because the mean of its divisors is an integer number (6300004).
Almost surely, 222050007 is an apocalyptic number.
22050007 is a deficient number, since it is larger than the sum of its proper divisors (3150009).
22050007 is an equidigital number, since it uses as much as digits as its factorization.
22050007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3150008.
The product of its (nonzero) digits is 140, while the sum is 16.
The square root of 22050007 is about 4695.7434981055. The cubic root of 22050007 is about 280.4160778339.
Adding to 22050007 its reverse (70005022), we get a palindrome (92055029).
It can be divided in two parts, 2 and 2050007, that multiplied together give a palindrome (4100014).
The spelling of 22050007 in words is "twenty-two million, fifty thousand, seven".
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