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4572013 = 6768239
BaseRepresentation
bin10001011100001101101101
322121021121211
4101130031231
52132301023
6241554421
753601325
oct21341555
98537554
104572013
112643026
121645a11
13c41044
14870285
15604a0d
hex45c36d

4572013 has 4 divisors (see below), whose sum is σ = 4640320. Its totient is φ = 4503708.

The previous prime is 4571999. The next prime is 4572017. The reversal of 4572013 is 3102754.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4572013 - 221 = 2474861 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 (4572017) 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, 34053 + ... + 34186.

It is an arithmetic number, because the mean of its divisors is an integer number (1160080).

Almost surely, 24572013 is an apocalyptic number.

It is an amenable number.

4572013 is a deficient number, since it is larger than the sum of its proper divisors (68307).

4572013 is an equidigital number, since it uses as much as digits as its factorization.

4572013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68306.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 4572013 is about 2138.2266016491. The cubic root of 4572013 is about 165.9723789143.

Adding to 4572013 its reverse (3102754), we get a palindrome (7674767).

The spelling of 4572013 in words is "four million, five hundred seventy-two thousand, thirteen".

Divisors: 1 67 68239 4572013