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538071 = 3179357
BaseRepresentation
bin10000011010111010111
31000100002120
42003113113
5114204241
615311023
74400502
oct2032727
91010076
10538071
11338296
1221b473
1315abb1
14100139
15a9666
hex835d7

538071 has 4 divisors (see below), whose sum is σ = 717432. Its totient is φ = 358712.

The previous prime is 538051. The next prime is 538073. The reversal of 538071 is 170835.

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 538071 - 211 = 536023 is a prime.

It is a D-number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538073) 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 3 ways as a sum of consecutive naturals, for example, 89676 + ... + 89681.

It is an arithmetic number, because the mean of its divisors is an integer number (179358).

2538071 is an apocalyptic number.

538071 is a deficient number, since it is larger than the sum of its proper divisors (179361).

538071 is a wasteful number, since it uses less digits than its factorization.

538071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179360.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 538071 is about 733.5332303311. The cubic root of 538071 is about 81.3354477786.

Subtracting from 538071 its reverse (170835), we obtain a square (367236 = 6062).

The spelling of 538071 in words is "five hundred thirty-eight thousand, seventy-one".

Divisors: 1 3 179357 538071