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538173841 = 1928324939
BaseRepresentation
bin100000000100111…
…110000110010001
31101111200001201111
4200010332012101
52100233030331
6125222533321
716223254642
oct4004760621
91344601644
10538173841
1125686aa77
12130297241
138765c67a
14516916c9
15323a8db1
hex2013e191

538173841 has 4 divisors (see below), whose sum is σ = 566498800. Its totient is φ = 509848884.

The previous prime is 538173817. The next prime is 538173887. The reversal of 538173841 is 148371835.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 538173841 - 211 = 538171793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 538173794 and 538173803.

It is not an unprimeable number, because it can be changed into a prime (538173341) 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, 14162451 + ... + 14162488.

It is an arithmetic number, because the mean of its divisors is an integer number (141624700).

Almost surely, 2538173841 is an apocalyptic number.

It is an amenable number.

538173841 is a deficient number, since it is larger than the sum of its proper divisors (28324959).

538173841 is a wasteful number, since it uses less digits than its factorization.

538173841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28324958.

The product of its digits is 80640, while the sum is 40.

The square root of 538173841 is about 23198.5741156650. The cubic root of 538173841 is about 813.4062930422.

The spelling of 538173841 in words is "five hundred thirty-eight million, one hundred seventy-three thousand, eight hundred forty-one".

Divisors: 1 19 28324939 538173841