Base | Representation |
---|---|
bin | 100111100110… |
… | …0100100101100 |
3 | 1110001202120100 |
4 | 1033030210230 |
5 | 20303322001 |
6 | 2020551100 |
7 | 341315223 |
oct | 117144454 |
9 | 43052510 |
10 | 20760876 |
11 | 1079aa54 |
12 | 6b52490 |
13 | 43bb856 |
14 | 2a85cba |
15 | 1c51586 |
hex | 13cc92c |
20760876 has 36 divisors (see below), whose sum is σ = 55567512. Its totient is φ = 6513024.
The previous prime is 20760871. The next prime is 20760877. The reversal of 20760876 is 67806702.
It is a tau number, because it is divible by the number of its divisors (36).
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 20760876.
It is not an unprimeable number, because it can be changed into a prime (20760871) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16350 + ... + 17573.
It is an arithmetic number, because the mean of its divisors is an integer number (1543542).
Almost surely, 220760876 is an apocalyptic number.
It is an amenable number.
20760876 is an abundant number, since it is smaller than the sum of its proper divisors (34806636).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20760876 is a wasteful number, since it uses less digits than its factorization.
20760876 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33950 (or 33945 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 36.
The square root of 20760876 is about 4556.4104292743. The cubic root of 20760876 is about 274.8412350801.
The spelling of 20760876 in words is "twenty million, seven hundred sixty thousand, eight hundred seventy-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •