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5239423 = 72234649
BaseRepresentation
bin10011111111001001111111
3100212012010201
4103333021333
52320130143
6304144331
762351200
oct23771177
910765121
105239423
112a59502
1219080a7
131115a67
149a55a7
156d764d
hex4ff27f

5239423 has 12 divisors (see below), whose sum is σ = 6361200. Its totient is φ = 4294752.

The previous prime is 5239411. The next prime is 5239427. The reversal of 5239423 is 3249325.

It is not a de Polignac number, because 5239423 - 25 = 5239391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5239391 and 5239400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5239427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1198 + ... + 3451.

It is an arithmetic number, because the mean of its divisors is an integer number (530100).

Almost surely, 25239423 is an apocalyptic number.

5239423 is a deficient number, since it is larger than the sum of its proper divisors (1121777).

5239423 is a wasteful number, since it uses less digits than its factorization.

5239423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4686 (or 4679 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 5239423 is about 2288.9785931721. The cubic root of 5239423 is about 173.6845365241.

The spelling of 5239423 in words is "five million, two hundred thirty-nine thousand, four hundred twenty-three".

Divisors: 1 7 23 49 161 1127 4649 32543 106927 227801 748489 5239423