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532381 = 2379293
BaseRepresentation
bin10000001111110011101
31000001021211
42001332131
5114014011
615224421
74345063
oct2017635
91001254
10532381
11333a93
12218111
13158425
14dc033
15a7b21
hex81f9d

532381 has 8 divisors (see below), whose sum is σ = 564480. Its totient is φ = 501072.

The previous prime is 532379. The next prime is 532391. The reversal of 532381 is 183235.

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

It is a cyclic number.

It is not a de Polignac number, because 532381 - 21 = 532379 is a prime.

It is a super-2 number, since 2×5323812 = 566859058322, 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 (532331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1671 + ... + 1963.

It is an arithmetic number, because the mean of its divisors is an integer number (70560).

2532381 is an apocalyptic number.

It is an amenable number.

532381 is a deficient number, since it is larger than the sum of its proper divisors (32099).

532381 is a wasteful number, since it uses less digits than its factorization.

532381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395.

The product of its digits is 720, while the sum is 22.

The square root of 532381 is about 729.6444339540. The cubic root of 532381 is about 81.0477288181.

The spelling of 532381 in words is "five hundred thirty-two thousand, three hundred eighty-one".

Divisors: 1 23 79 293 1817 6739 23147 532381