Base | Representation |
---|---|
bin | 100110001111… |
… | …1100101011000 |
3 | 1101201202121020 |
4 | 1030133211120 |
5 | 20113133222 |
6 | 1553442440 |
7 | 332304360 |
oct | 114374530 |
9 | 41652536 |
10 | 20052312 |
11 | 10356665 |
12 | 6870420 |
13 | 4201197 |
14 | 293d9a0 |
15 | 1b6165c |
hex | 131f958 |
20052312 has 32 divisors (see below), whose sum is σ = 57292800. Its totient is φ = 5729184.
The previous prime is 20052293. The next prime is 20052337. The reversal of 20052312 is 21325002.
It is a junction number, because it is equal to n+sod(n) for n = 20052291 and 20052300.
It is a congruent number.
It is an unprimeable number.
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, 59512 + ... + 59847.
It is an arithmetic number, because the mean of its divisors is an integer number (1790400).
Almost surely, 220052312 is an apocalyptic number.
It is an amenable number.
20052312 is an abundant number, since it is smaller than the sum of its proper divisors (37240488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20052312 is a wasteful number, since it uses less digits than its factorization.
20052312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119375 (or 119371 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 20052312 is about 4477.9807949566. The cubic root of 20052312 is about 271.6782166459.
Adding to 20052312 its reverse (21325002), we get a palindrome (41377314).
The spelling of 20052312 in words is "twenty million, fifty-two thousand, three hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •