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4572223 = 10941947
BaseRepresentation
bin10001011100010000111111
322121021220121
4101130100333
52132302343
6241555411
753602045
oct21342077
98537817
104572223
1126431a7
121645b67
13c41176
14870395
15604aed
hex45c43f

4572223 has 4 divisors (see below), whose sum is σ = 4614280. Its totient is φ = 4530168.

The previous prime is 4572199. The next prime is 4572229. The reversal of 4572223 is 3222754.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4572223 is a prime.

It is a d-powerful number, because it can be written as 410 + 57 + 77 + 29 + 219 + 221 + 33 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4572229) 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, 20865 + ... + 21082.

It is an arithmetic number, because the mean of its divisors is an integer number (1153570).

Almost surely, 24572223 is an apocalyptic number.

4572223 is a deficient number, since it is larger than the sum of its proper divisors (42057).

4572223 is a wasteful number, since it uses less digits than its factorization.

4572223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42056.

The product of its digits is 3360, while the sum is 25.

The square root of 4572223 is about 2138.2757071996. The cubic root of 4572223 is about 165.9749200025.

Adding to 4572223 its reverse (3222754), we get a palindrome (7794977).

The spelling of 4572223 in words is "four million, five hundred seventy-two thousand, two hundred twenty-three".

Divisors: 1 109 41947 4572223