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542011230 = 23356132909
BaseRepresentation
bin100000010011100…
…110111101011110
31101202220000122000
4200103212331132
52102223324410
6125441103130
716301006445
oct4023467536
91352800560
10542011230
11258a51072
12131627aa6
13883a4207
1451dadd5c
15328b5dc0
hex204e6f5e

542011230 has 64 divisors (see below), whose sum is σ = 1469102400. Its totient is φ = 142162560.

The previous prime is 542011213. The next prime is 542011237. The reversal of 542011230 is 32110245.

542011230 is a `hidden beast` number, since 5 + 420 + 11 + 230 = 666.

It is a super-2 number, since 2×5420112302 = 587552346892225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542011237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16 + ... + 32924.

It is an arithmetic number, because the mean of its divisors is an integer number (22954725).

Almost surely, 2542011230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542011230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (734551200).

542011230 is an abundant number, since it is smaller than the sum of its proper divisors (927091170).

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

542011230 is a wasteful number, since it uses less digits than its factorization.

542011230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32986 (or 32980 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 542011230 is about 23281.1346372981. The cubic root of 542011230 is about 815.3350172728.

Adding to 542011230 its reverse (32110245), we get a palindrome (574121475).

The spelling of 542011230 in words is "five hundred forty-two million, eleven thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 61 90 122 135 183 270 305 366 549 610 915 1098 1647 1830 2745 3294 5490 8235 16470 32909 65818 98727 164545 197454 296181 329090 493635 592362 888543 987270 1480905 1777086 2007449 2961810 4014898 4442715 6022347 8885430 10037245 12044694 18067041 20074490 30111735 36134082 54201123 60223470 90335205 108402246 180670410 271005615 542011230