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504431 = 19139191
BaseRepresentation
bin1111011001001101111
3221121221122
41323021233
5112120211
614451155
74200434
oct1731157
9847848
10504431
11314a94
12203abb
131487a5
14d1b8b
159e6db
hex7b26f

504431 has 8 divisors (see below), whose sum is σ = 537600. Its totient is φ = 471960.

The previous prime is 504403. The next prime is 504457. The reversal of 504431 is 134405.

504431 is nontrivially palindromic in base 2.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 504431 - 210 = 503407 is a prime.

It is a super-2 number, since 2×5044312 = 508901267522, 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 (504461) 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 7 ways as a sum of consecutive naturals, for example, 2546 + ... + 2736.

It is an arithmetic number, because the mean of its divisors is an integer number (67200).

2504431 is an apocalyptic number.

504431 is a deficient number, since it is larger than the sum of its proper divisors (33169).

504431 is a wasteful number, since it uses less digits than its factorization.

504431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 504431 is about 710.2330603401. The cubic root of 504431 is about 79.6038225313.

Adding to 504431 its reverse (134405), we get a palindrome (638836).

The spelling of 504431 in words is "five hundred four thousand, four hundred thirty-one".

Divisors: 1 19 139 191 2641 3629 26549 504431