Search a number
-
+
538275161 = 43471132357
BaseRepresentation
bin100000000101010…
…110110101011001
31101111212012201002
4200011112311121
52100244301121
6125225034345
716224156224
oct4005266531
91344765632
10538275161
1125692a106
121303259b5
1387696818
14516ba5bb
15323c8e0b
hex20156d59

538275161 has 16 divisors (see below), whose sum is σ = 567730944. Its totient is φ = 509800704.

The previous prime is 538275139. The next prime is 538275173. The reversal of 538275161 is 161572835.

It is a cyclic number.

It is not a de Polignac number, because 538275161 - 210 = 538274137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538275191) 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 15 ways as a sum of consecutive naturals, for example, 227195 + ... + 229551.

It is an arithmetic number, because the mean of its divisors is an integer number (35483184).

Almost surely, 2538275161 is an apocalyptic number.

It is an amenable number.

538275161 is a deficient number, since it is larger than the sum of its proper divisors (29455783).

538275161 is a wasteful number, since it uses less digits than its factorization.

538275161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560.

The product of its digits is 50400, while the sum is 38.

The square root of 538275161 is about 23200.7577677972. The cubic root of 538275161 is about 813.4573355046.

The spelling of 538275161 in words is "five hundred thirty-eight million, two hundred seventy-five thousand, one hundred sixty-one".

Divisors: 1 43 47 113 2021 2357 4859 5311 101351 110779 228373 266341 4763497 11452663 12518027 538275161