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5672569 = 7810367
BaseRepresentation
bin10101101000111001111001
3101200012022011
4111220321321
52423010234
6321325521
766134050
oct25507171
911605264
105672569
113224981
121a968a1
131237c66
14a79397
15770b64
hex568e79

5672569 has 4 divisors (see below), whose sum is σ = 6482944. Its totient is φ = 4862196.

The previous prime is 5672561. The next prime is 5672591. The reversal of 5672569 is 9652765.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9652765 = 51930553.

It is a cyclic number.

It is not a de Polignac number, because 5672569 - 23 = 5672561 is a prime.

It is a super-2 number, since 2×56725692 = 64356078119522, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

5672569 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5672561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405177 + ... + 405190.

It is an arithmetic number, because the mean of its divisors is an integer number (1620736).

Almost surely, 25672569 is an apocalyptic number.

It is an amenable number.

5672569 is a deficient number, since it is larger than the sum of its proper divisors (810375).

5672569 is an equidigital number, since it uses as much as digits as its factorization.

5672569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810374.

The product of its digits is 113400, while the sum is 40.

The square root of 5672569 is about 2381.7155581639. The cubic root of 5672569 is about 178.3445856197.

It can be divided in two parts, 5672 and 569, that added together give a square (6241 = 792).

The spelling of 5672569 in words is "five million, six hundred seventy-two thousand, five hundred sixty-nine".

Divisors: 1 7 810367 5672569