Search a number
-
+
538860001 = 607887743
BaseRepresentation
bin100000000111100…
…101100111100001
31101112221220221211
4200013211213201
52100422010001
6125245350121
716232143261
oct4007454741
91345856854
10538860001
11257199549
12130568341
138783ca94
14517cd7a1
1532492351
hex201e59e1

538860001 has 4 divisors (see below), whose sum is σ = 539748352. Its totient is φ = 537971652.

The previous prime is 538859983. The next prime is 538860013. The reversal of 538860001 is 100068835.

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 an emirpimes, since its reverse is a distinct semiprime: 100068835 = 520013767.

It is a cyclic number.

It is not a de Polignac number, because 538860001 - 27 = 538859873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538860041) by changing a digit.

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, 443265 + ... + 444478.

It is an arithmetic number, because the mean of its divisors is an integer number (134937088).

Almost surely, 2538860001 is an apocalyptic number.

It is an amenable number.

538860001 is a deficient number, since it is larger than the sum of its proper divisors (888351).

538860001 is an equidigital number, since it uses as much as digits as its factorization.

538860001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888350.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 538860001 is about 23213.3582447693. The cubic root of 538860001 is about 813.7518380362.

The spelling of 538860001 in words is "five hundred thirty-eight million, eight hundred sixty thousand, one".

Divisors: 1 607 887743 538860001