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537289 = 7332
BaseRepresentation
bin10000011001011001001
31000022000121
42003023021
5114143124
615303241
74365304
oct2031311
91008017
10537289
11337745
1221ab21
1315a72c
14ddb3b
15a92e4
hex832c9

537289 has 3 divisors (see below), whose sum is σ = 538023. Its totient is φ = 536556.

The previous prime is 537287. The next prime is 537307. The reversal of 537289 is 982735.

The square root of 537289 is 733.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 525625 + 11664 = 725^2 + 108^2 .

It is not a de Polignac number, because 537289 - 21 = 537287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (537281) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 367 + ... + 1099.

It is an arithmetic number, because the mean of its divisors is an integer number (179341).

537289 is a Friedman number, since it can be written as (9^3+8/2)^(7-5), using all its digits and the basic arithmetic operations.

2537289 is an apocalyptic number.

537289 is the 733-rd square number.

537289 is the 367-th centered octagonal number.

It is an amenable number.

537289 is a deficient number, since it is larger than the sum of its proper divisors (734).

537289 is an frugal number, since it uses more digits than its factorization.

537289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466 (or 733 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The cubic root of 537289 is about 81.2960259936.

The spelling of 537289 in words is "five hundred thirty-seven thousand, two hundred eighty-nine".

Divisors: 1 733 537289