Search a number
-
+
223112133 = 3224790237
BaseRepresentation
bin11010100110001…
…10101111000101
3120112211021022100
431103012233011
5424104042013
634050022313
75346264456
oct1523065705
9515737270
10223112133
11104a394a2
1262877999
13372ba11a
14218bb12d
15148c2473
hexd4c6bc5

223112133 has 6 divisors (see below), whose sum is σ = 322273094. Its totient is φ = 148741416.

The previous prime is 223112129. The next prime is 223112147. The reversal of 223112133 is 331211322.

It can be written as a sum of positive squares in only one way, i.e., 207878724 + 15233409 = 14418^2 + 3903^2 .

It is not a de Polignac number, because 223112133 - 22 = 223112129 is a prime.

It is a super-3 number, since 3×2231121333 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223112173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12395110 + ... + 12395127.

Almost surely, 2223112133 is an apocalyptic number.

It is an amenable number.

223112133 is a deficient number, since it is larger than the sum of its proper divisors (99160961).

223112133 is a wasteful number, since it uses less digits than its factorization.

223112133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24790243 (or 24790240 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 223112133 is about 14936.9385417494. The cubic root of 223112133 is about 606.5143249827.

Adding to 223112133 its reverse (331211322), we get a palindrome (554323455).

The spelling of 223112133 in words is "two hundred twenty-three million, one hundred twelve thousand, one hundred thirty-three".

Divisors: 1 3 9 24790237 74370711 223112133