Search a number
-
+
538318768 = 24132588071
BaseRepresentation
bin100000000101100…
…001011110110000
31101111221102112011
4200011201132300
52100302200033
6125230012304
716224430321
oct4005413660
91344842464
10538318768
11256959949
12130347094
13876b0620
14516cc448
15323d6ccd
hex201617b0

538318768 has 20 divisors (see below), whose sum is σ = 1123223248. Its totient is φ = 248454720.

The previous prime is 538318757. The next prime is 538318769. The reversal of 538318768 is 867813835.

It is not an unprimeable number, because it can be changed into a prime (538318769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1293828 + ... + 1294243.

Almost surely, 2538318768 is an apocalyptic number.

It is an amenable number.

538318768 is an abundant number, since it is smaller than the sum of its proper divisors (584904480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

538318768 is a wasteful number, since it uses less digits than its factorization.

538318768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588092 (or 2588086 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The square root of 538318768 is about 23201.6975241037. The cubic root of 538318768 is about 813.4793016406.

The spelling of 538318768 in words is "five hundred thirty-eight million, three hundred eighteen thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 13 16 26 52 104 208 2588071 5176142 10352284 20704568 33644923 41409136 67289846 134579692 269159384 538318768