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4564231 = 7652033
BaseRepresentation
bin10001011010010100000111
322120212221121
4101122110013
52132023411
6241454411
753536540
oct21322407
98525847
104564231
1126381a1
121641407
13c3a639
1486b4c7
15602571
hex45a507

4564231 has 4 divisors (see below), whose sum is σ = 5216272. Its totient is φ = 3912192.

The previous prime is 4564207. The next prime is 4564247. The reversal of 4564231 is 1324654.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1324654 = 2662327.

It is a cyclic number.

It is not a de Polignac number, because 4564231 - 27 = 4564103 is a prime.

It is a super-2 number, since 2×45642312 = 41664409242722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4564196 and 4564205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4564271) 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, 326010 + ... + 326023.

It is an arithmetic number, because the mean of its divisors is an integer number (1304068).

Almost surely, 24564231 is an apocalyptic number.

4564231 is a deficient number, since it is larger than the sum of its proper divisors (652041).

4564231 is an equidigital number, since it uses as much as digits as its factorization.

4564231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652040.

The product of its digits is 2880, while the sum is 25.

The square root of 4564231 is about 2136.4060943557. The cubic root of 4564231 is about 165.8781585236.

Adding to 4564231 its reverse (1324654), we get a palindrome (5888885).

The spelling of 4564231 in words is "four million, five hundred sixty-four thousand, two hundred thirty-one".

Divisors: 1 7 652033 4564231