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13000283 = 37351359
BaseRepresentation
bin110001100101…
…111001011011
3220110111000222
4301211321123
511312002113
61142350255
7215333462
oct61457133
926414028
1013000283
11737a33a
12442b38b
13290239a
141a259d9
15121be08
hexc65e5b

13000283 has 4 divisors (see below), whose sum is σ = 13351680. Its totient is φ = 12648888.

The previous prime is 13000277. The next prime is 13000297. The reversal of 13000283 is 38200031.

13000283 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38200031 = 109350459.

It is a cyclic number.

It is not a de Polignac number, because 13000283 - 26 = 13000219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13000213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175643 + ... + 175716.

It is an arithmetic number, because the mean of its divisors is an integer number (3337920).

Almost surely, 213000283 is an apocalyptic number.

13000283 is a deficient number, since it is larger than the sum of its proper divisors (351397).

13000283 is an equidigital number, since it uses as much as digits as its factorization.

13000283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351396.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 13000283 is about 3605.5905202893. The cubic root of 13000283 is about 235.1351749846.

It can be divided in two parts, 1300028 and 3, that added together give a palindrome (1300031).

The spelling of 13000283 in words is "thirteen million, two hundred eighty-three", and thus it is an aban number.

Divisors: 1 37 351359 13000283