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533388 = 22344449
BaseRepresentation
bin10000010001110001100
31000002200010
42002032030
5114032023
615233220
74351032
oct2021614
91002603
10533388
11334819
12218810
13158a1b
14dc552
15a8093
hex8238c

533388 has 12 divisors (see below), whose sum is σ = 1244600. Its totient is φ = 177792.

The previous prime is 533371. The next prime is 533389. The reversal of 533388 is 883335.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (533389) by changing a digit.

533388 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 22213 + ... + 22236.

2533388 is an apocalyptic number.

It is an amenable number.

533388 is an abundant number, since it is smaller than the sum of its proper divisors (711212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

533388 is a wasteful number, since it uses less digits than its factorization.

533388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44456 (or 44454 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 533388 is about 730.3341700893. The cubic root of 533388 is about 81.0987972939.

The spelling of 533388 in words is "five hundred thirty-three thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 44449 88898 133347 177796 266694 533388