Base | Representation |
---|---|
bin | 100110100100… |
… | …1110100100011 |
3 | 1102001112220202 |
4 | 1031021310203 |
5 | 20134202230 |
6 | 2001255415 |
7 | 333624635 |
oct | 115116443 |
9 | 42045822 |
10 | 20225315 |
11 | 10464640 |
12 | 693456b |
13 | 4261b56 |
14 | 2986a55 |
15 | 1b97a45 |
hex | 1349d23 |
20225315 has 8 divisors (see below), whose sum is σ = 26476848. Its totient is φ = 14709280.
The previous prime is 20225311. The next prime is 20225327. The reversal of 20225315 is 51352202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20225315 - 22 = 20225311 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20225311) 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, 183812 + ... + 183921.
It is an arithmetic number, because the mean of its divisors is an integer number (3309606).
Almost surely, 220225315 is an apocalyptic number.
20225315 is a deficient number, since it is larger than the sum of its proper divisors (6251533).
20225315 is a wasteful number, since it uses less digits than its factorization.
20225315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 367749.
The product of its (nonzero) digits is 600, while the sum is 20.
The square root of 20225315 is about 4497.2563858424. The cubic root of 20225315 is about 272.4572892688.
Adding to 20225315 its reverse (51352202), we get a palindrome (71577517).
It can be divided in two parts, 2022 and 5315, that added together give a palindrome (7337).
The spelling of 20225315 in words is "twenty million, two hundred twenty-five thousand, three hundred fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •