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538255873 = 1292341651
BaseRepresentation
bin100000000101010…
…010001000000001
31101111211020020201
4200011102020001
52100243141443
6125224405201
716224046051
oct4005221001
91344736221
10538255873
11256916671
12130316801
138768aacc
14516b3561
15323c334d
hex20152201

538255873 has 4 divisors (see below), whose sum is σ = 538310448. Its totient is φ = 538201300.

The previous prime is 538255847. The next prime is 538255877. The reversal of 538255873 is 378552835.

It is the 9472-nd star number.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 378552835 = 575710567.

It is a cyclic number.

It is not a de Polignac number, because 538255873 - 25 = 538255841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538255877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7903 + ... + 33748.

It is an arithmetic number, because the mean of its divisors is an integer number (134577612).

Almost surely, 2538255873 is an apocalyptic number.

It is an amenable number.

538255873 is a deficient number, since it is larger than the sum of its proper divisors (54575).

538255873 is a wasteful number, since it uses less digits than its factorization.

538255873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54574.

The product of its digits is 1008000, while the sum is 46.

The square root of 538255873 is about 23200.3420879952. The cubic root of 538255873 is about 813.4476191900.

The spelling of 538255873 in words is "five hundred thirty-eight million, two hundred fifty-five thousand, eight hundred seventy-three".

Divisors: 1 12923 41651 538255873