Base | Representation |
---|---|
bin | 100110100100… |
… | …1110000011101 |
3 | 1102001112120001 |
4 | 1031021300131 |
5 | 20134200203 |
6 | 2001254301 |
7 | 333624112 |
oct | 115116035 |
9 | 42045501 |
10 | 20225053 |
11 | 10464422 |
12 | 6934391 |
13 | 42619b4 |
14 | 2986909 |
15 | 1b9791d |
hex | 1349c1d |
20225053 has 4 divisors (see below), whose sum is σ = 21414780. Its totient is φ = 19035328.
The previous prime is 20225047. The next prime is 20225069. The reversal of 20225053 is 35052202.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35052202 = 2 ⋅17526101.
It can be written as a sum of positive squares in 2 ways, for example, as 9746884 + 10478169 = 3122^2 + 3237^2 .
It is a cyclic number.
It is not a de Polignac number, because 20225053 - 25 = 20225021 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 20225053.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20225083) 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, 594838 + ... + 594871.
It is an arithmetic number, because the mean of its divisors is an integer number (5353695).
Almost surely, 220225053 is an apocalyptic number.
It is an amenable number.
20225053 is a deficient number, since it is larger than the sum of its proper divisors (1189727).
20225053 is a wasteful number, since it uses less digits than its factorization.
20225053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1189726.
The product of its (nonzero) digits is 600, while the sum is 19.
The square root of 20225053 is about 4497.2272568773. The cubic root of 20225053 is about 272.4561127874.
Adding to 20225053 its reverse (35052202), we get a palindrome (55277255).
The spelling of 20225053 in words is "twenty million, two hundred twenty-five thousand, fifty-three".
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