Base | Representation |
---|---|
bin | 100110110000… |
… | …1100000100101 |
3 | 1102020111000022 |
4 | 1031201200211 |
5 | 20200303331 |
6 | 2003324525 |
7 | 334510544 |
oct | 115414045 |
9 | 42214008 |
10 | 20322341 |
11 | 10520526 |
12 | 6980745 |
13 | 4297070 |
14 | 29b015b |
15 | 1bb667b |
hex | 1361825 |
20322341 has 4 divisors (see below), whose sum is σ = 21885612. Its totient is φ = 18759072.
The previous prime is 20322331. The next prime is 20322353. The reversal of 20322341 is 14322302.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14322302 = 2 ⋅7161151.
It can be written as a sum of positive squares in 2 ways, for example, as 1094116 + 19228225 = 1046^2 + 4385^2 .
It is a cyclic number.
It is not a de Polignac number, because 20322341 - 218 = 20060197 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 (20322331) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 781616 + ... + 781641.
It is an arithmetic number, because the mean of its divisors is an integer number (5471403).
Almost surely, 220322341 is an apocalyptic number.
It is an amenable number.
20322341 is a deficient number, since it is larger than the sum of its proper divisors (1563271).
20322341 is a wasteful number, since it uses less digits than its factorization.
20322341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1563270.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 20322341 is about 4508.0307230541. The cubic root of 20322341 is about 272.8922768199.
Adding to 20322341 its reverse (14322302), we get a palindrome (34644643).
The spelling of 20322341 in words is "twenty million, three hundred twenty-two thousand, three hundred forty-one".
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