Base | Representation |
---|---|
bin | 100110110001… |
… | …0010100111101 |
3 | 1102020122121110 |
4 | 1031202110331 |
5 | 20200410233 |
6 | 2003352233 |
7 | 334523403 |
oct | 115422475 |
9 | 42218543 |
10 | 20325693 |
11 | 10522aa3 |
12 | 6982679 |
13 | 429874b |
14 | 29b1473 |
15 | 1bb7663 |
hex | 136253d |
20325693 has 8 divisors (see below), whose sum is σ = 28695168. Its totient is φ = 12753344.
The previous prime is 20325653. The next prime is 20325707. The reversal of 20325693 is 39652302.
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 20325693 - 213 = 20317501 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 20325693.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20325653) 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 7 ways as a sum of consecutive naturals, for example, 199221 + ... + 199322.
It is an arithmetic number, because the mean of its divisors is an integer number (3586896).
Almost surely, 220325693 is an apocalyptic number.
It is an amenable number.
20325693 is a deficient number, since it is larger than the sum of its proper divisors (8369475).
20325693 is a wasteful number, since it uses less digits than its factorization.
20325693 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 398563.
The product of its (nonzero) digits is 9720, while the sum is 30.
The square root of 20325693 is about 4508.4024886871. The cubic root of 20325693 is about 272.9072797605.
Adding to 20325693 its reverse (39652302), we get a palindrome (59977995).
The spelling of 20325693 in words is "twenty million, three hundred twenty-five thousand, six hundred ninety-three".
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