Search a number
-
+
542145512 = 23232946443
BaseRepresentation
bin100000010100000…
…111101111101000
31101210010211211102
4200110013233220
52102242124022
6125444020532
716302106106
oct4024075750
91353124742
10542145512
11259032a47
12131691748
138842037c
1452006c76
15328e0a92
hex20507be8

542145512 has 16 divisors (see below), whose sum is σ = 1060719840. Its totient is φ = 259286896.

The previous prime is 542145511. The next prime is 542145529. The reversal of 542145512 is 215541245.

It is not an unprimeable number, because it can be changed into a prime (542145511) 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 3 ways as a sum of consecutive naturals, for example, 1473038 + ... + 1473405.

It is an arithmetic number, because the mean of its divisors is an integer number (66294990).

Almost surely, 2542145512 is an apocalyptic number.

It is an amenable number.

542145512 is a deficient number, since it is larger than the sum of its proper divisors (518574328).

542145512 is a wasteful number, since it uses less digits than its factorization.

542145512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2946472 (or 2946468 counting only the distinct ones).

The product of its digits is 8000, while the sum is 29.

The square root of 542145512 is about 23284.0183817141. The cubic root of 542145512 is about 815.4023441536.

Adding to 542145512 its reverse (215541245), we get a palindrome (757686757).

The spelling of 542145512 in words is "five hundred forty-two million, one hundred forty-five thousand, five hundred twelve".

Divisors: 1 2 4 8 23 46 92 184 2946443 5892886 11785772 23571544 67768189 135536378 271072756 542145512