Base | Representation |
---|---|
bin | 100110010011… |
… | …0011111000001 |
3 | 1101210012101002 |
4 | 1030212133001 |
5 | 20120034302 |
6 | 1554221345 |
7 | 332452646 |
oct | 114463701 |
9 | 41705332 |
10 | 20080577 |
11 | 10375920 |
12 | 6884855 |
13 | 4210cca |
14 | 2949dcd |
15 | 1b69c02 |
hex | 13267c1 |
20080577 has 8 divisors (see below), whose sum is σ = 21940032. Its totient is φ = 18226800.
The previous prime is 20080573. The next prime is 20080589. The reversal of 20080577 is 77508002.
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 20080577 - 22 = 20080573 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20080573) 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, 10052 + ... + 11882.
It is an arithmetic number, because the mean of its divisors is an integer number (2742504).
Almost surely, 220080577 is an apocalyptic number.
It is an amenable number.
20080577 is a deficient number, since it is larger than the sum of its proper divisors (1859455).
20080577 is a wasteful number, since it uses less digits than its factorization.
20080577 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2839.
The product of its (nonzero) digits is 3920, while the sum is 29.
The square root of 20080577 is about 4481.1356819449. The cubic root of 20080577 is about 271.8058059169.
Adding to 20080577 its reverse (77508002), we get a palindrome (97588579).
The spelling of 20080577 in words is "twenty million, eighty thousand, five hundred seventy-seven".
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