Base | Representation |
---|---|
bin | 110010001001… |
… | …001000011111 |
3 | 220201211000022 |
4 | 302021020133 |
5 | 11331111412 |
6 | 1145422355 |
7 | 216504320 |
oct | 62111037 |
9 | 26654008 |
10 | 13144607 |
11 | 7468813 |
12 | 449a9bb |
13 | 2952c98 |
14 | 1a62447 |
15 | 1249a72 |
hex | c8921f |
13144607 has 4 divisors (see below), whose sum is σ = 15022416. Its totient is φ = 11266800.
The previous prime is 13144603. The next prime is 13144633. The reversal of 13144607 is 70644131.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70644131 = 127 ⋅556253.
It is a cyclic number.
It is not a de Polignac number, because 13144607 - 22 = 13144603 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13144601) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 938894 + ... + 938907.
It is an arithmetic number, because the mean of its divisors is an integer number (3755604).
Almost surely, 213144607 is an apocalyptic number.
13144607 is a deficient number, since it is larger than the sum of its proper divisors (1877809).
13144607 is an equidigital number, since it uses as much as digits as its factorization.
13144607 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1877808.
The product of its (nonzero) digits is 2016, while the sum is 26.
The square root of 13144607 is about 3625.5491997765. The cubic root of 13144607 is about 236.0021006708.
Adding to 13144607 its reverse (70644131), we get a palindrome (83788738).
The spelling of 13144607 in words is "thirteen million, one hundred forty-four thousand, six hundred seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •