Search a number
-
+
223132013 = 1317164001
BaseRepresentation
bin11010100110010…
…11100101101101
3120112212021120122
431103023211231
5424110211023
634050254325
75346406436
oct1523134555
9515767518
10223132013
11104a52425
12628873a5
13372c61a0
14218c448d
15148c82c8
hexd4cb96d

223132013 has 4 divisors (see below), whose sum is σ = 240296028. Its totient is φ = 205968000.

The previous prime is 223132009. The next prime is 223132027. The reversal of 223132013 is 310231322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8743849 + 214388164 = 2957^2 + 14642^2 .

It is a cyclic number.

It is not a de Polignac number, because 223132013 - 22 = 223132009 is a prime.

It is a super-3 number, since 3×2231320133 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223131982 and 223132000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223132033) 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, 8581988 + ... + 8582013.

It is an arithmetic number, because the mean of its divisors is an integer number (60074007).

Almost surely, 2223132013 is an apocalyptic number.

It is an amenable number.

223132013 is a deficient number, since it is larger than the sum of its proper divisors (17164015).

223132013 is a wasteful number, since it uses less digits than its factorization.

223132013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17164014.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 223132013 is about 14937.6039912698. The cubic root of 223132013 is about 606.5323385656.

Adding to 223132013 its reverse (310231322), we get a palindrome (533363335).

The spelling of 223132013 in words is "two hundred twenty-three million, one hundred thirty-two thousand, thirteen".

Divisors: 1 13 17164001 223132013