Search a number
-
+
223000405 = 5202722003
BaseRepresentation
bin11010100101010…
…11011101010101
3120112121121001021
431102223131111
5424042003110
634043401141
75345320645
oct1522533525
9515547037
10223000405
11104972561
12628231b1
133727b304
142188c525
151489e2da
hexd4ab755

223000405 has 8 divisors (see below), whose sum is σ = 267744672. Its totient is φ = 178304208.

The previous prime is 223000367. The next prime is 223000409. The reversal of 223000405 is 504000322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223000405 - 29 = 222999893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223000409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 867 + ... + 21136.

It is an arithmetic number, because the mean of its divisors is an integer number (33468084).

Almost surely, 2223000405 is an apocalyptic number.

It is an amenable number.

223000405 is a deficient number, since it is larger than the sum of its proper divisors (44744267).

223000405 is a wasteful number, since it uses less digits than its factorization.

223000405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24035.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 223000405 is about 14933.1980834649. The cubic root of 223000405 is about 606.4130665613.

Adding to 223000405 its reverse (504000322), we get a palindrome (727000727).

The spelling of 223000405 in words is "two hundred twenty-three million, four hundred five", and thus it is an aban number.

Divisors: 1 5 2027 10135 22003 110015 44600081 223000405