Base | Representation |
---|---|
bin | 100111100110… |
… | …0111000000000 |
3 | 1110001211021010 |
4 | 1033030320000 |
5 | 20303341422 |
6 | 2021000520 |
7 | 341321640 |
oct | 117147000 |
9 | 43054233 |
10 | 20762112 |
11 | 107a0978 |
12 | 6b53140 |
13 | 43bc297 |
14 | 2a86520 |
15 | 1c51b0c |
hex | 13cce00 |
20762112 has 80 divisors (see below), whose sum is σ = 63245952. Its totient is φ = 5928960.
The previous prime is 20762111. The next prime is 20762129. The reversal of 20762112 is 21126702.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20762111) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9787 + ... + 11717.
Almost surely, 220762112 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 20762112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31622976).
20762112 is an abundant number, since it is smaller than the sum of its proper divisors (42483840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20762112 is an equidigital number, since it uses as much as digits as its factorization.
20762112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1959 (or 1943 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 21.
The square root of 20762112 is about 4556.5460603400. The cubic root of 20762112 is about 274.8466892017.
Adding to 20762112 its reverse (21126702), we get a palindrome (41888814).
The spelling of 20762112 in words is "twenty million, seven hundred sixty-two thousand, one hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •