Base | Representation |
---|---|
bin | 100110010001… |
… | …1011011101101 |
3 | 1101202120020010 |
4 | 1030203123231 |
5 | 20114134302 |
6 | 1554043433 |
7 | 332401341 |
oct | 114433355 |
9 | 41676203 |
10 | 20068077 |
11 | 10367497 |
12 | 6879579 |
13 | 4208403 |
14 | 2945621 |
15 | 1b6616c |
hex | 13236ed |
20068077 has 4 divisors (see below), whose sum is σ = 26757440. Its totient is φ = 13378716.
The previous prime is 20068073. The next prime is 20068093. The reversal of 20068077 is 77086002.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 20068077 - 22 = 20068073 is a prime.
It is a Duffinian number.
It is a zygodrome in base 8.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20068073) 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, 3344677 + ... + 3344682.
It is an arithmetic number, because the mean of its divisors is an integer number (6689360).
Almost surely, 220068077 is an apocalyptic number.
It is an amenable number.
20068077 is a deficient number, since it is larger than the sum of its proper divisors (6689363).
20068077 is an equidigital number, since it uses as much as digits as its factorization.
20068077 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6689362.
The product of its (nonzero) digits is 4704, while the sum is 30.
The square root of 20068077 is about 4479.7407291048. The cubic root of 20068077 is about 271.7493952237.
The spelling of 20068077 in words is "twenty million, sixty-eight thousand, seventy-seven".
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