Search a number
-
+
13282109 = 23577483
BaseRepresentation
bin110010101010…
…101100111101
3220222210121222
4302222230331
511400011414
61152403125
7220616231
oct62525475
926883558
1013282109
117552055
1245464a5
1329a0749
141a9a5c1
15127568e
hexcaab3d

13282109 has 4 divisors (see below), whose sum is σ = 13859616. Its totient is φ = 12704604.

The previous prime is 13282069. The next prime is 13282123. The reversal of 13282109 is 90128231.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13282109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13282169) 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, 288719 + ... + 288764.

It is an arithmetic number, because the mean of its divisors is an integer number (3464904).

Almost surely, 213282109 is an apocalyptic number.

It is an amenable number.

13282109 is a deficient number, since it is larger than the sum of its proper divisors (577507).

13282109 is an equidigital number, since it uses as much as digits as its factorization.

13282109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577506.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 13282109 is about 3644.4627862005. The cubic root of 13282109 is about 236.8221647765.

The spelling of 13282109 in words is "thirteen million, two hundred eighty-two thousand, one hundred nine".

Divisors: 1 23 577483 13282109