Base | Representation |
---|---|
bin | 101001111110… |
… | …1100100011111 |
3 | 1112102020020111 |
4 | 1103331210133 |
5 | 21113311033 |
6 | 2103430451 |
7 | 355040341 |
oct | 123754437 |
9 | 45366214 |
10 | 22010143 |
11 | 11473601 |
12 | 7455427 |
13 | 473836c |
14 | 2ccd291 |
15 | 1deb7cd |
hex | 14fd91f |
22010143 has 8 divisors (see below), whose sum is σ = 22262240. Its totient is φ = 21759840.
The previous prime is 22010141. The next prime is 22010167. The reversal of 22010143 is 34101022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 22010143 - 21 = 22010141 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 (22010141) 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, 49918 + ... + 50356.
It is an arithmetic number, because the mean of its divisors is an integer number (2782780).
Almost surely, 222010143 is an apocalyptic number.
22010143 is a deficient number, since it is larger than the sum of its proper divisors (252097).
22010143 is a wasteful number, since it uses less digits than its factorization.
22010143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 897.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 22010143 is about 4691.4968826591. The cubic root of 22010143 is about 280.2469886992.
Adding to 22010143 its reverse (34101022), we get a palindrome (56111165).
The spelling of 22010143 in words is "twenty-two million, ten thousand, one hundred forty-three".
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