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531470 = 2553147
BaseRepresentation
bin10000001110000001110
31000000001002
42001300032
5114001340
615220302
74342322
oct2016016
91000032
10531470
11333335
12217692
13157ba4
14db982
15a7715
hex81c0e

531470 has 8 divisors (see below), whose sum is σ = 956664. Its totient is φ = 212584.

The previous prime is 531457. The next prime is 531481. The reversal of 531470 is 74135.

It is a happy number.

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

It is a d-powerful number, because it can be written as 5 + 312 + 42 + 1 + 7 + 0 .

It is a plaindrome in base 11.

It is a nialpdrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 531470.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26564 + ... + 26583.

It is an arithmetic number, because the mean of its divisors is an integer number (119583).

2531470 is an apocalyptic number.

531470 is a deficient number, since it is larger than the sum of its proper divisors (425194).

531470 is a wasteful number, since it uses less digits than its factorization.

531470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53154.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 531470 is about 729.0198899893. The cubic root of 531470 is about 81.0014733258.

It can be divided in two parts, 531 and 470, that added together give a palindrome (1001).

The spelling of 531470 in words is "five hundred thirty-one thousand, four hundred seventy".

Divisors: 1 2 5 10 53147 106294 265735 531470