Base | Representation |
---|---|
bin | 1001100100001… |
… | …11010000000100 |
3 | 12120222220111100 |
4 | 10302013100010 |
5 | 131020331024 |
6 | 11543540100 |
7 | 1663035444 |
oct | 462072004 |
9 | 176886440 |
10 | 80245764 |
11 | 41329915 |
12 | 22a5a630 |
13 | 13818201 |
14 | a92c124 |
15 | 70a17c9 |
hex | 4c87404 |
80245764 has 27 divisors (see below), whose sum is σ = 202979413. Its totient is φ = 26730672.
The previous prime is 80245747. The next prime is 80245769. The reversal of 80245764 is 46754208.
The square root of 80245764 is 8958.
It is a perfect power (a square), and thus also a powerful number.
80245764 is a `hidden beast` number, since 80 + 2 + 4 + 576 + 4 = 666.
It can be written as a sum of positive squares in only one way, i.e., 70056900 + 10188864 = 8370^2 + 3192^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80245769) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 53002 + ... + 54494.
Almost surely, 280245764 is an apocalyptic number.
80245764 is the 8958-th square number.
It is an amenable number.
80245764 is an abundant number, since it is smaller than the sum of its proper divisors (122733649).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80245764 is a wasteful number, since it uses less digits than its factorization.
80245764 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2996 (or 1498 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 36.
The cubic root of 80245764 is about 431.3277223495.
Multiplying 80245764 by its sum of digits (36), we get a square (2888847504 = 537482).
80245764 divided by its sum of digits (36) gives a square (2229049 = 14932).
The spelling of 80245764 in words is "eighty million, two hundred forty-five thousand, seven hundred sixty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •