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523827 = 3429223
BaseRepresentation
bin1111111111000110011
3222121120000
41333320303
5113230302
615121043
74311123
oct1777063
9877500
10523827
11328617
12213183
13154575
14d8c83
15a531c
hex7fe33

523827 has 20 divisors (see below), whose sum is σ = 813120. Its totient is φ = 335664.

The previous prime is 523801. The next prime is 523829. The reversal of 523827 is 728325.

It is not a de Polignac number, because 523827 - 26 = 523763 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 9.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 523827.

It is not an unprimeable number, because it can be changed into a prime (523829) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2238 + ... + 2460.

It is an arithmetic number, because the mean of its divisors is an integer number (40656).

2523827 is an apocalyptic number.

523827 is a deficient number, since it is larger than the sum of its proper divisors (289293).

523827 is a wasteful number, since it uses less digits than its factorization.

523827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 255 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 523827 is about 723.7589377686. The cubic root of 523827 is about 80.6113064900.

It can be divided in two parts, 5 and 23827, that added together give a palindrome (23832).

The spelling of 523827 in words is "five hundred twenty-three thousand, eight hundred twenty-seven".

Divisors: 1 3 9 27 29 81 87 223 261 669 783 2007 2349 6021 6467 18063 19401 58203 174609 523827