Base | Representation |
---|---|
bin | 100110001111… |
… | …0110001010000 |
3 | 1101201121000200 |
4 | 1030132301100 |
5 | 20113031401 |
6 | 1553415200 |
7 | 332261553 |
oct | 114366120 |
9 | 41647020 |
10 | 20048976 |
11 | 10354102 |
12 | 686a500 |
13 | 41cc7cc |
14 | 293c69a |
15 | 1b60686 |
hex | 131ec50 |
20048976 has 60 divisors (see below), whose sum is σ = 58056180. Its totient is φ = 6451200.
The previous prime is 20048969. The next prime is 20048981. The reversal of 20048976 is 67984002.
It can be written as a sum of positive squares in 2 ways, for example, as 11048976 + 9000000 = 3324^2 + 3000^2 .
It is a super-2 number, since 2×200489762 = 803922877297152, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 20048976.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1776 + ... + 6576.
It is an arithmetic number, because the mean of its divisors is an integer number (967603).
Almost surely, 220048976 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 20048976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29028090).
20048976 is an abundant number, since it is smaller than the sum of its proper divisors (38007204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20048976 is a wasteful number, since it uses less digits than its factorization.
20048976 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4844 (or 4835 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 20048976 is about 4477.6082901478. The cubic root of 20048976 is about 271.6631499078.
The spelling of 20048976 in words is "twenty million, forty-eight thousand, nine hundred seventy-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.127 sec. • engine limits •