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538495 = 5107699
BaseRepresentation
bin10000011011101111111
31000100200021
42003131333
5114212440
615313011
74401646
oct2033577
91010607
10538495
11338641
1221b767
1315b149
1410035d
15a984a
hex8377f

538495 has 4 divisors (see below), whose sum is σ = 646200. Its totient is φ = 430792.

The previous prime is 538487. The next prime is 538511. The reversal of 538495 is 594835.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 594835 = 5118967.

It is a cyclic number.

It is not a de Polignac number, because 538495 - 23 = 538487 is a prime.

538495 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 538495.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53845 + ... + 53854.

It is an arithmetic number, because the mean of its divisors is an integer number (161550).

2538495 is an apocalyptic number.

538495 is a deficient number, since it is larger than the sum of its proper divisors (107705).

538495 is a wasteful number, since it uses less digits than its factorization.

538495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107704.

The product of its digits is 21600, while the sum is 34.

The square root of 538495 is about 733.8221855463. The cubic root of 538495 is about 81.3568062830.

The spelling of 538495 in words is "five hundred thirty-eight thousand, four hundred ninety-five".

Divisors: 1 5 107699 538495