Search a number
-
+
223020301 = 771448733
BaseRepresentation
bin11010100101100…
…00010100001101
3120112122121100011
431102300110031
5424043122201
634044033221
75345432650
oct1522602415
9515577304
10223020301
111049864a9
1262832811
133728739a
1421895897
15148a5151
hexd4b050d

223020301 has 8 divisors (see below), whose sum is σ = 258470784. Its totient is φ = 188467440.

The previous prime is 223020299. The next prime is 223020319. The reversal of 223020301 is 103020322.

It is a happy number.

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

It is not a de Polignac number, because 223020301 - 21 = 223020299 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 (223021301) 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, 223870 + ... + 224863.

It is an arithmetic number, because the mean of its divisors is an integer number (32308848).

Almost surely, 2223020301 is an apocalyptic number.

It is an amenable number.

223020301 is a deficient number, since it is larger than the sum of its proper divisors (35450483).

223020301 is an equidigital number, since it uses as much as digits as its factorization.

223020301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448811.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 223020301 is about 14933.8642353545. The cubic root of 223020301 is about 606.4311006624.

Adding to 223020301 its reverse (103020322), we get a palindrome (326040623).

The spelling of 223020301 in words is "two hundred twenty-three million, twenty thousand, three hundred one".

Divisors: 1 7 71 497 448733 3141131 31860043 223020301