Search a number
-
+
223544541 = 3116774077
BaseRepresentation
bin11010101001100…
…00010011011101
3120120122020110110
431110300103131
5424211411131
634103200233
75353045233
oct1524602335
9516566413
10223544541
11105204360
1262a46079
133740bb9c
1421990953
151495a646
hexd5304dd

223544541 has 8 divisors (see below), whose sum is σ = 325155744. Its totient is φ = 135481520.

The previous prime is 223544539. The next prime is 223544561. The reversal of 223544541 is 145445322.

223544541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 223544541 - 21 = 223544539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223544499 and 223544508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223544501) 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, 3387006 + ... + 3387071.

It is an arithmetic number, because the mean of its divisors is an integer number (40644468).

Almost surely, 2223544541 is an apocalyptic number.

It is an amenable number.

223544541 is a deficient number, since it is larger than the sum of its proper divisors (101611203).

223544541 is a wasteful number, since it uses less digits than its factorization.

223544541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6774091.

The product of its digits is 19200, while the sum is 30.

The square root of 223544541 is about 14951.4059873980. The cubic root of 223544541 is about 606.9058955013.

Adding to 223544541 its reverse (145445322), we get a palindrome (368989863).

The spelling of 223544541 in words is "two hundred twenty-three million, five hundred forty-four thousand, five hundred forty-one".

Divisors: 1 3 11 33 6774077 20322231 74514847 223544541