Base | Representation |
---|---|
bin | 100000010110111… |
… | …100110010000101 |
3 | 1101211112112000121 |
4 | 200112330302011 |
5 | 2102434341140 |
6 | 125511541541 |
7 | 16311315031 |
oct | 4026746205 |
9 | 1354475017 |
10 | 542887045 |
11 | 25949a088 |
12 | 13198a8b1 |
13 | 8861ca4c |
14 | 5215b1c1 |
15 | 329da64a |
hex | 205bcc85 |
542887045 has 8 divisors (see below), whose sum is σ = 651594240. Its totient is φ = 434223120.
The previous prime is 542887031. The next prime is 542887049. The reversal of 542887045 is 540788245.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 542887045 - 217 = 542755973 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 542886992 and 542887010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (542887049) 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 7 ways as a sum of consecutive naturals, for example, 32740 + ... + 46450.
It is an arithmetic number, because the mean of its divisors is an integer number (81449280).
Almost surely, 2542887045 is an apocalyptic number.
It is an amenable number.
542887045 is a deficient number, since it is larger than the sum of its proper divisors (108707195).
542887045 is a wasteful number, since it uses less digits than its factorization.
542887045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21635.
The product of its (nonzero) digits is 358400, while the sum is 43.
The square root of 542887045 is about 23299.9365878965. The cubic root of 542887045 is about 815.7739370614.
The spelling of 542887045 in words is "five hundred forty-two million, eight hundred eighty-seven thousand, forty-five".
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