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527287 = 3714251
BaseRepresentation
bin10000000101110110111
3222210022011
42000232313
5113333122
615145051
74324165
oct2005667
9883264
10527287
11330182
12215187
13156007
14da235
15a6377
hex80bb7

527287 has 4 divisors (see below), whose sum is σ = 541576. Its totient is φ = 513000.

The previous prime is 527281. The next prime is 527291. The reversal of 527287 is 782725.

527287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 527287 - 27 = 527159 is a prime.

It is a d-powerful number, because it can be written as 5 + 25 + 219 + 72 + 83 + 74 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (527281) 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, 7089 + ... + 7162.

It is an arithmetic number, because the mean of its divisors is an integer number (135394).

2527287 is an apocalyptic number.

527287 is a deficient number, since it is larger than the sum of its proper divisors (14289).

527287 is a wasteful number, since it uses less digits than its factorization.

527287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14288.

The product of its digits is 7840, while the sum is 31.

The square root of 527287 is about 726.1453022639. The cubic root of 527287 is about 80.7884026586.

The spelling of 527287 in words is "five hundred twenty-seven thousand, two hundred eighty-seven".

Divisors: 1 37 14251 527287