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542945460 = 223557715683
BaseRepresentation
bin100000010111001…
…011000010110100
31101211122111011010
4200113023002310
52102443223320
6125513112220
716311650241
oct4027130264
91354574133
10542945460
11259529a62
121319b8670
1388640505
14521745c8
15329ecae0
hex205cb0b4

542945460 has 48 divisors (see below), whose sum is σ = 1522979136. Its totient is φ = 144525312.

The previous prime is 542945441. The next prime is 542945461. The reversal of 542945460 is 64549245.

It is a happy number.

It is a super-2 number, since 2×5429454602 = 589579545069223200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542945461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26779 + ... + 42461.

It is an arithmetic number, because the mean of its divisors is an integer number (31728732).

Almost surely, 2542945460 is an apocalyptic number.

It is an amenable number.

542945460 is an abundant number, since it is smaller than the sum of its proper divisors (980033676).

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

542945460 is a wasteful number, since it uses less digits than its factorization.

542945460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16272 (or 16270 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 542945460 is about 23301.1900983619. The cubic root of 542945460 is about 815.8031952812.

The spelling of 542945460 in words is "five hundred forty-two million, nine hundred forty-five thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 577 1154 1731 2308 2885 3462 5770 6924 8655 11540 15683 17310 31366 34620 47049 62732 78415 94098 156830 188196 235245 313660 470490 940980 9049091 18098182 27147273 36196364 45245455 54294546 90490910 108589092 135736365 180981820 271472730 542945460