Base | Representation |
---|---|
bin | 1000010000101… |
… | …00010000010000 |
3 | 11211101020121101 |
4 | 10020110100100 |
5 | 120214221401 |
6 | 10513034144 |
7 | 1500642451 |
oct | 410242020 |
9 | 154336541 |
10 | 69288976 |
11 | 36125919 |
12 | 1b255954 |
13 | 1147ccc3 |
14 | 92b9128 |
15 | 613a101 |
hex | 4214410 |
69288976 has 15 divisors (see below), whose sum is σ = 134311933. Its totient is φ = 34627840.
The previous prime is 69288907. The next prime is 69288977. The reversal of 69288976 is 67988296.
The square root of 69288976 is 8324.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 26255376 + 43033600 = 5124^2 + 6560^2 .
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (69288977) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 32256 + ... + 34336.
Almost surely, 269288976 is an apocalyptic number.
69288976 is the 8324-th square number.
It is an amenable number.
69288976 is a deficient number, since it is larger than the sum of its proper divisors (65022957).
69288976 is an frugal number, since it uses more digits than its factorization.
69288976 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4170 (or 2083 counting only the distinct ones).
The product of its digits is 2612736, while the sum is 55.
The cubic root of 69288976 is about 410.7283820125.
The spelling of 69288976 in words is "sixty-nine million, two hundred eighty-eight thousand, nine hundred seventy-six".
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