Base | Representation |
---|---|
bin | 100000010101001… |
… | …001100100011101 |
3 | 1101210122112200101 |
4 | 200111021210131 |
5 | 2102324241013 |
6 | 125453501101 |
7 | 16304311141 |
oct | 4025114435 |
9 | 1353575611 |
10 | 542415133 |
11 | 2591a7577 |
12 | 1317a1791 |
13 | 884b6000 |
14 | 52077221 |
15 | 329458dd |
hex | 2054991d |
542415133 has 8 divisors (see below), whose sum is σ = 587598200. Its totient is φ = 500688864.
The previous prime is 542415131. The next prime is 542415157. The reversal of 542415133 is 331514245.
It can be written as a sum of positive squares in 4 ways, for example, as 87104889 + 455310244 = 9333^2 + 21338^2 .
It is not a de Polignac number, because 542415133 - 21 = 542415131 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (542415131) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121248 + ... + 125641.
It is an arithmetic number, because the mean of its divisors is an integer number (73449775).
Almost surely, 2542415133 is an apocalyptic number.
It is an amenable number.
542415133 is a deficient number, since it is larger than the sum of its proper divisors (45183067).
542415133 is an equidigital number, since it uses as much as digits as its factorization.
542415133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 246928 (or 246902 counting only the distinct ones).
The product of its digits is 7200, while the sum is 28.
The square root of 542415133 is about 23289.8074916904. The cubic root of 542415133 is about 815.5374943149.
Adding to 542415133 its reverse (331514245), we get a palindrome (873929378).
The spelling of 542415133 in words is "five hundred forty-two million, four hundred fifteen thousand, one hundred thirty-three".
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