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538328894 = 2269164447
BaseRepresentation
bin100000000101100…
…011111100111110
31101111221221102012
4200011203330332
52100303011034
6125230131222
716224501665
oct4005437476
91344857365
10538328894
11256966514
12130350b12
13876b510c
14516d1ddc
15323d9cce
hex20163f3e

538328894 has 4 divisors (see below), whose sum is σ = 807493344. Its totient is φ = 269164446.

The previous prime is 538328863. The next prime is 538328899. The reversal of 538328894 is 498823835.

538328894 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 Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538328899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134582222 + ... + 134582225.

It is an arithmetic number, because the mean of its divisors is an integer number (201873336).

Almost surely, 2538328894 is an apocalyptic number.

538328894 is a deficient number, since it is larger than the sum of its proper divisors (269164450).

538328894 is a wasteful number, since it uses less digits than its factorization.

538328894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269164449.

The product of its digits is 1658880, while the sum is 50.

The square root of 538328894 is about 23201.9157398694. The cubic root of 538328894 is about 813.4844022367.

It can be divided in two parts, 53832 and 8894, that added together give a palindrome (62726).

The spelling of 538328894 in words is "five hundred thirty-eight million, three hundred twenty-eight thousand, eight hundred ninety-four".

Divisors: 1 2 269164447 538328894