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542730228 = 223157128789
BaseRepresentation
bin100000010110010…
…110011111110100
31101211020112220120
4200112112133310
52102414331403
6125504331540
716310062605
oct4026263764
91354215816
10542730228
112593a2287
12131913bb0
1388596561
1452119dac
15329a8e53
hex205967f4

542730228 has 24 divisors (see below), whose sum is σ = 1267220640. Its totient is φ = 180788640.

The previous prime is 542730211. The next prime is 542730247. The reversal of 542730228 is 822037245.

542730228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×5427302282 = 589112200769863968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4458 + ... + 33246.

It is an arithmetic number, because the mean of its divisors is an integer number (52800860).

Almost surely, 2542730228 is an apocalyptic number.

It is an amenable number.

542730228 is an abundant number, since it is smaller than the sum of its proper divisors (724490412).

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

542730228 is a wasteful number, since it uses less digits than its factorization.

542730228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30367 (or 30365 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 542730228 is about 23296.5711640147. The cubic root of 542730228 is about 815.6953820211.

The spelling of 542730228 in words is "five hundred forty-two million, seven hundred thirty thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 1571 3142 4713 6284 9426 18852 28789 57578 86367 115156 172734 345468 45227519 90455038 135682557 180910076 271365114 542730228