Base | Representation |
---|---|
bin | 110001101011… |
… | …011101010001 |
3 | 220111122021110 |
4 | 301223131101 |
5 | 11313214212 |
6 | 1143043533 |
7 | 215460045 |
oct | 61533521 |
9 | 26448243 |
10 | 13023057 |
11 | 7395463 |
12 | 44405a9 |
13 | 290c868 |
14 | 1a30025 |
15 | 1223a3c |
hex | c6b751 |
13023057 has 4 divisors (see below), whose sum is σ = 17364080. Its totient is φ = 8682036.
The previous prime is 13023053. The next prime is 13023067. The reversal of 13023057 is 75032031.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 13023057 - 22 = 13023053 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13023053) 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 3 ways as a sum of consecutive naturals, for example, 2170507 + ... + 2170512.
It is an arithmetic number, because the mean of its divisors is an integer number (4341020).
Almost surely, 213023057 is an apocalyptic number.
It is an amenable number.
13023057 is a deficient number, since it is larger than the sum of its proper divisors (4341023).
13023057 is an equidigital number, since it uses as much as digits as its factorization.
13023057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4341022.
The product of its (nonzero) digits is 630, while the sum is 21.
The square root of 13023057 is about 3608.7472895729. The cubic root of 13023057 is about 235.2723987808.
Adding to 13023057 its reverse (75032031), we get a palindrome (88055088).
The spelling of 13023057 in words is "thirteen million, twenty-three thousand, fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •