Search a number
-
+
538839079 is a prime number
BaseRepresentation
bin100000000111100…
…000100000100111
31101112220212020221
4200013200200213
52100420322304
6125245105211
716232025262
oct4007404047
91345825227
10538839079
11257184859
12130558207
13878333bc
14517c5cd9
153248b054
hex201e0827

538839079 has 2 divisors, whose sum is σ = 538839080. Its totient is φ = 538839078.

The previous prime is 538839001. The next prime is 538839113. The reversal of 538839079 is 970938835.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-538839079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538839479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269419539 + 269419540.

It is an arithmetic number, because the mean of its divisors is an integer number (269419540).

Almost surely, 2538839079 is an apocalyptic number.

538839079 is a deficient number, since it is larger than the sum of its proper divisors (1).

538839079 is an equidigital number, since it uses as much as digits as its factorization.

538839079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 538839079 is about 23212.9075946983. The cubic root of 538839079 is about 813.7413062120.

The spelling of 538839079 in words is "five hundred thirty-eight million, eight hundred thirty-nine thousand, seventy-nine".