Base | Representation |
---|---|
bin | 100111001001… |
… | …0110100001110 |
3 | 1102121202001100 |
4 | 1032102310032 |
5 | 20223234202 |
6 | 2011523530 |
7 | 336311421 |
oct | 116226416 |
9 | 42552040 |
10 | 20524302 |
11 | 10649237 |
12 | 6a595a6 |
13 | 4337c76 |
14 | 2a239b8 |
15 | 1c0641c |
hex | 1392d0e |
20524302 has 12 divisors (see below), whose sum is σ = 44469360. Its totient is φ = 6841428.
The previous prime is 20524297. The next prime is 20524333. The reversal of 20524302 is 20342502.
20524302 is nontrivially palindromic in base 12.
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1140239 = 20524302 / (2 + 0 + 5 + 2 + 4 + 3 + 0 + 2).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 570102 + ... + 570137.
It is an arithmetic number, because the mean of its divisors is an integer number (3705780).
Almost surely, 220524302 is an apocalyptic number.
20524302 is an abundant number, since it is smaller than the sum of its proper divisors (23945058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20524302 is a wasteful number, since it uses less digits than its factorization.
20524302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1140247 (or 1140244 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 18.
The square root of 20524302 is about 4530.3754811274. The cubic root of 20524302 is about 273.7932889571.
Adding to 20524302 its reverse (20342502), we get a palindrome (40866804).
The spelling of 20524302 in words is "twenty million, five hundred twenty-four thousand, three hundred two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •