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531382 = 2475653
BaseRepresentation
bin10000001101110110110
3222222220211
42001232312
5114001012
615220034
74342135
oct2015666
9888824
10531382
11333265
1221761a
13157b37
14db91c
15a76a7
hex81bb6

531382 has 8 divisors (see below), whose sum is σ = 814176. Its totient is φ = 259992.

The previous prime is 531359. The next prime is 531383. The reversal of 531382 is 283135.

531382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2733 + ... + 2920.

It is an arithmetic number, because the mean of its divisors is an integer number (101772).

2531382 is an apocalyptic number.

531382 is a deficient number, since it is larger than the sum of its proper divisors (282794).

531382 is a wasteful number, since it uses less digits than its factorization.

531382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5702.

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

The square root of 531382 is about 728.9595324845. The cubic root of 531382 is about 80.9970023785.

It can be divided in two parts, 53138 and 2, that multiplied together give a square (106276 = 3262).

The spelling of 531382 in words is "five hundred thirty-one thousand, three hundred eighty-two".

Divisors: 1 2 47 94 5653 11306 265691 531382