Base | Representation |
---|---|
bin | 100111010110… |
… | …1001001010110 |
3 | 1102211012222201 |
4 | 1032231021112 |
5 | 20240212100 |
6 | 2014115114 |
7 | 340241020 |
oct | 116551126 |
9 | 42735881 |
10 | 20632150 |
11 | 10712270 |
12 | 6aaba9a |
13 | 4375096 |
14 | 2a51010 |
15 | 1c2836a |
hex | 13ad256 |
20632150 has 96 divisors (see below), whose sum is σ = 50139648. Its totient is φ = 6124800.
The previous prime is 20632147. The next prime is 20632159. The reversal of 20632150 is 5123602.
It is a happy number.
It is a super-2 number, since 2×206321502 = 851371227245000, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20632159) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88434 + ... + 88666.
It is an arithmetic number, because the mean of its divisors is an integer number (522288).
Almost surely, 220632150 is an apocalyptic number.
20632150 is an abundant number, since it is smaller than the sum of its proper divisors (29507498).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20632150 is a wasteful number, since it uses less digits than its factorization.
20632150 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 286 (or 281 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 20632150 is about 4542.2626520271. The cubic root of 20632150 is about 274.2720139538.
Adding to 20632150 its reverse (5123602), we get a palindrome (25755752).
The spelling of 20632150 in words is "twenty million, six hundred thirty-two thousand, one hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •