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5252431 = 5779103
BaseRepresentation
bin10100000010010101001111
3100212211222111
4110002111033
52321034211
6304324451
762434132
oct24022517
910784874
105252431
112a68258
121913727
13111b962
149aa219
156db421
hex50254f

5252431 has 4 divisors (see below), whose sum is σ = 5262112. Its totient is φ = 5242752.

The previous prime is 5252419. The next prime is 5252447. The reversal of 5252431 is 1342525.

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

It is a cyclic number.

It is not a de Polignac number, because 5252431 - 29 = 5251919 is a prime.

It is a super-2 number, since 2×52524312 = 55176062819522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5252411) 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, 3975 + ... + 5128.

It is an arithmetic number, because the mean of its divisors is an integer number (1315528).

Almost surely, 25252431 is an apocalyptic number.

5252431 is a deficient number, since it is larger than the sum of its proper divisors (9681).

5252431 is an equidigital number, since it uses as much as digits as its factorization.

5252431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9680.

The product of its digits is 1200, while the sum is 22.

The square root of 5252431 is about 2291.8182737730. The cubic root of 5252431 is about 173.8281542025.

Adding to 5252431 its reverse (1342525), we get a palindrome (6594956).

The spelling of 5252431 in words is "five million, two hundred fifty-two thousand, four hundred thirty-one".

Divisors: 1 577 9103 5252431