Base | Representation |
---|---|
bin | 100110101000… |
… | …0111100101000 |
3 | 1102010000221211 |
4 | 1031100330220 |
5 | 20141121004 |
6 | 2002042504 |
7 | 334106014 |
oct | 115207450 |
9 | 42100854 |
10 | 20254504 |
11 | 10484566 |
12 | 6949434 |
13 | 427221a |
14 | 2993544 |
15 | 1ba1504 |
hex | 1350f28 |
20254504 has 16 divisors (see below), whose sum is σ = 38111220. Its totient is φ = 10091520.
The previous prime is 20254483. The next prime is 20254511. The reversal of 20254504 is 40545202.
It can be written as a sum of positive squares in 2 ways, for example, as 20232004 + 22500 = 4498^2 + 150^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1977 + ... + 6664.
Almost surely, 220254504 is an apocalyptic number.
It is an amenable number.
20254504 is a deficient number, since it is larger than the sum of its proper divisors (17856716).
20254504 is a wasteful number, since it uses less digits than its factorization.
20254504 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8940 (or 8936 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 22.
The square root of 20254504 is about 4500.5004166204. The cubic root of 20254504 is about 272.5882956025.
Adding to 20254504 its reverse (40545202), we get a palindrome (60799706).
The spelling of 20254504 in words is "twenty million, two hundred fifty-four thousand, five hundred four".
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