Search a number
-
+
542745771 = 31095692917
BaseRepresentation
bin100000010110011…
…010010010101011
31101211021100020020
4200112122102223
52102420331041
6125504531523
716310156121
oct4026322253
91354240206
10542745771
11259402a27
12131920ba3
13885a0659
1452121911
15329ad866
hex2059a4ab

542745771 has 16 divisors (see below), whose sum is σ = 731834400. Its totient is φ = 357758208.

The previous prime is 542745751. The next prime is 542745781. The reversal of 542745771 is 177547245.

It is not a de Polignac number, because 542745771 - 213 = 542737579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542745751) 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, 184605 + ... + 187521.

It is an arithmetic number, because the mean of its divisors is an integer number (45739650).

Almost surely, 2542745771 is an apocalyptic number.

542745771 is a deficient number, since it is larger than the sum of its proper divisors (189088629).

542745771 is a wasteful number, since it uses less digits than its factorization.

542745771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3598.

The product of its digits is 274400, while the sum is 42.

The square root of 542745771 is about 23296.9047514901. The cubic root of 542745771 is about 815.7031687211.

The spelling of 542745771 in words is "five hundred forty-two million, seven hundred forty-five thousand, seven hundred seventy-one".

Divisors: 1 3 109 327 569 1707 2917 8751 62021 186063 317953 953859 1659773 4979319 180915257 542745771