Base | Representation |
---|---|
bin | 100000010110100… |
… | …100011010101101 |
3 | 1101211100110010022 |
4 | 200112210122231 |
5 | 2102423142440 |
6 | 125505451525 |
7 | 16310421050 |
oct | 4026443255 |
9 | 1354313108 |
10 | 542787245 |
11 | 259431100 |
12 | 131940ba5 |
13 | 885b64b0 |
14 | 52132a97 |
15 | 329bacb5 |
hex | 205a46ad |
542787245 has 48 divisors (see below), whose sum is σ = 881247360. Its totient is φ = 312301440.
The previous prime is 542787239. The next prime is 542787293.
542787245 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 542787245 - 216 = 542721709 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 542787196 and 542787205.
It is a congruent number.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 50126 + ... + 59984.
It is an arithmetic number, because the mean of its divisors is an integer number (18359320).
Almost surely, 2542787245 is an apocalyptic number.
542787245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
542787245 is a deficient number, since it is larger than the sum of its proper divisors (338460115).
542787245 is a wasteful number, since it uses less digits than its factorization.
542787245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9906 (or 9895 counting only the distinct ones).
The product of its digits is 627200, while the sum is 44.
The square root of 542787245 is about 23297.7948527323. The cubic root of 542787245 is about 815.7239455521.
It can be divided in two parts, 542 and 787245, that added together give a palindrome (787787).
The spelling of 542787245 in words is "five hundred forty-two million, seven hundred eighty-seven thousand, two hundred forty-five".
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