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538238359 = 2811915439
BaseRepresentation
bin100000000101001…
…101110110010111
31101111210100020001
4200011031312113
52100242111414
6125224152131
716223644021
oct4005156627
91344710201
10538238359
1125690449a
12130308647
1387682b49
14516ab011
15323bd074
hex2014dd97

538238359 has 4 divisors (see below), whose sum is σ = 540154080. Its totient is φ = 536322640.

The previous prime is 538238329. The next prime is 538238369. The reversal of 538238359 is 953832835.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 953832835 = 5190766567.

It is a cyclic number.

It is not a de Polignac number, because 538238359 - 229 = 1367447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538238329) 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, 957439 + ... + 958000.

It is an arithmetic number, because the mean of its divisors is an integer number (135038520).

Almost surely, 2538238359 is an apocalyptic number.

538238359 is a deficient number, since it is larger than the sum of its proper divisors (1915721).

538238359 is a wasteful number, since it uses less digits than its factorization.

538238359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915720.

The product of its digits is 777600, while the sum is 46.

The square root of 538238359 is about 23199.9646335937. The cubic root of 538238359 is about 813.4387963253.

The spelling of 538238359 in words is "five hundred thirty-eight million, two hundred thirty-eight thousand, three hundred fifty-nine".

Divisors: 1 281 1915439 538238359