Search a number
-
+
538714389 = 3179571463
BaseRepresentation
bin100000000111000…
…010000100010101
31101112200112012210
4200013002010111
52100402330024
6125242304033
716230665613
oct4007020425
91345615183
10538714389
112570aa104
121304b8019
13877bb715
14517926b3
1532464129
hex201c2115

538714389 has 4 divisors (see below), whose sum is σ = 718285856. Its totient is φ = 359142924.

The previous prime is 538714387. The next prime is 538714403. The reversal of 538714389 is 983417835.

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 not a de Polignac number, because 538714389 - 21 = 538714387 is a prime.

It is a super-3 number, since 3×5387143893 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538714387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89785729 + ... + 89785734.

It is an arithmetic number, because the mean of its divisors is an integer number (179571464).

Almost surely, 2538714389 is an apocalyptic number.

It is an amenable number.

538714389 is a deficient number, since it is larger than the sum of its proper divisors (179571467).

538714389 is a wasteful number, since it uses less digits than its factorization.

538714389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179571466.

The product of its digits is 725760, while the sum is 48.

The square root of 538714389 is about 23210.2216490925. The cubic root of 538714389 is about 813.6785334629.

The spelling of 538714389 in words is "five hundred thirty-eight million, seven hundred fourteen thousand, three hundred eighty-nine".

Divisors: 1 3 179571463 538714389