Base | Representation |
---|---|
bin | 110010100101… |
… | …111110110001 |
3 | 220221211002200 |
4 | 302211332301 |
5 | 11343402034 |
6 | 1152133413 |
7 | 220505652 |
oct | 62457661 |
9 | 26854080 |
10 | 13262769 |
11 | 7539573 |
12 | 4537269 |
13 | 29949c0 |
14 | 1a93529 |
15 | 126ea99 |
hex | ca5fb1 |
13262769 has 12 divisors (see below), whose sum is σ = 20631156. Its totient is φ = 8161632.
The previous prime is 13262759. The next prime is 13262801. The reversal of 13262769 is 96726231.
It can be written as a sum of positive squares in 2 ways, for example, as 921600 + 12341169 = 960^2 + 3513^2 .
It is not a de Polignac number, because 13262769 - 29 = 13262257 is a prime.
It is a super-2 number, since 2×132627692 = 351802083094722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13262719) 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, 56562 + ... + 56795.
It is an arithmetic number, because the mean of its divisors is an integer number (1719263).
Almost surely, 213262769 is an apocalyptic number.
It is an amenable number.
13262769 is a deficient number, since it is larger than the sum of its proper divisors (7368387).
13262769 is a wasteful number, since it uses less digits than its factorization.
13262769 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113376 (or 113373 counting only the distinct ones).
The product of its digits is 27216, while the sum is 36.
The square root of 13262769 is about 3641.8084793135. The cubic root of 13262769 is about 236.7071638253.
It can be divided in two parts, 1326 and 2769, that added together give a triangular number (4095 = T90).
The spelling of 13262769 in words is "thirteen million, two hundred sixty-two thousand, seven hundred sixty-nine".
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