Base | Representation |
---|---|
bin | 100110110001… |
… | …0111011011000 |
3 | 1102020202222112 |
4 | 1031202323120 |
5 | 20201000102 |
6 | 2003411452 |
7 | 334533515 |
oct | 115427330 |
9 | 42222875 |
10 | 20328152 |
11 | 10524929 |
12 | 6983b88 |
13 | 42998c0 |
14 | 29b230c |
15 | 1bb8252 |
hex | 1362ed8 |
20328152 has 32 divisors (see below), whose sum is σ = 41640480. Its totient is φ = 9246720.
The previous prime is 20328151. The next prime is 20328163. The reversal of 20328152 is 25182302.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20328151) 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 7 ways as a sum of consecutive naturals, for example, 6008 + ... + 8760.
It is an arithmetic number, because the mean of its divisors is an integer number (1301265).
Almost surely, 220328152 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20328152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20820240).
20328152 is an abundant number, since it is smaller than the sum of its proper divisors (21312328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20328152 is a wasteful number, since it uses less digits than its factorization.
20328152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2843 (or 2839 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 20328152 is about 4508.6751934465. The cubic root of 20328152 is about 272.9182847472.
The spelling of 20328152 in words is "twenty million, three hundred twenty-eight thousand, one hundred fifty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •