Base | Representation |
---|---|
bin | 110010111010… |
… | …001011010101 |
3 | 221010000120112 |
4 | 302322023111 |
5 | 11404023433 |
6 | 1154012405 |
7 | 221302100 |
oct | 62721325 |
9 | 27100515 |
10 | 13345493 |
11 | 7595737 |
12 | 4577105 |
13 | 29c3555 |
14 | 1ab5737 |
15 | 1289348 |
hex | cba2d5 |
13345493 has 24 divisors (see below), whose sum is σ = 16920792. Its totient is φ = 10450944.
The previous prime is 13345477. The next prime is 13345499. The reversal of 13345493 is 39454331.
It can be written as a sum of positive squares in 4 ways, for example, as 3598609 + 9746884 = 1897^2 + 3122^2 .
It is not a de Polignac number, because 13345493 - 24 = 13345477 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13345499) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30605 + ... + 31037.
It is an arithmetic number, because the mean of its divisors is an integer number (705033).
Almost surely, 213345493 is an apocalyptic number.
It is an amenable number.
13345493 is a deficient number, since it is larger than the sum of its proper divisors (3575299).
13345493 is a wasteful number, since it uses less digits than its factorization.
13345493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 501 (or 494 counting only the distinct ones).
The product of its digits is 19440, while the sum is 32.
The square root of 13345493 is about 3653.1483681887. The cubic root of 13345493 is about 237.1982827923.
The spelling of 13345493 in words is "thirteen million, three hundred forty-five thousand, four hundred ninety-three".
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