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531464 = 23312143
BaseRepresentation
bin10000001110000001000
31000000000212
42001300020
5114001324
615220252
74342313
oct2016010
91000025
10531464
1133332a
12217688
13157b9b
14db97a
15a770e
hex81c08

531464 has 16 divisors (see below), whose sum is σ = 1029120. Its totient is φ = 257040.

The previous prime is 531457. The next prime is 531481. The reversal of 531464 is 464135.

It is a happy number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 531464.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 824 + ... + 1319.

It is an arithmetic number, because the mean of its divisors is an integer number (64320).

2531464 is an apocalyptic number.

It is an amenable number.

531464 is a deficient number, since it is larger than the sum of its proper divisors (497656).

531464 is a wasteful number, since it uses less digits than its factorization.

531464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180 (or 2176 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 531464 is about 729.0157748636. The cubic root of 531464 is about 81.0011685042.

Subtracting from 531464 its sum of digits (23), we obtain a 12-th power (531441 = 312).

Adding to 531464 its reverse (464135), we get a palindrome (995599).

The spelling of 531464 in words is "five hundred thirty-one thousand, four hundred sixty-four".

Divisors: 1 2 4 8 31 62 124 248 2143 4286 8572 17144 66433 132866 265732 531464