Base | Representation |
---|---|
bin | 100000010100000… |
… | …111111010011111 |
3 | 1101210010212210011 |
4 | 200110013322133 |
5 | 2102242134312 |
6 | 125444024051 |
7 | 16302111121 |
oct | 4024077237 |
9 | 1353125704 |
10 | 542146207 |
11 | 259033519 |
12 | 131692027 |
13 | 88420795 |
14 | 52007211 |
15 | 328e0da7 |
hex | 20507e9f |
542146207 has 4 divisors (see below), whose sum is σ = 543708936. Its totient is φ = 540583480.
The previous prime is 542146183. The next prime is 542146217. The reversal of 542146207 is 702641245.
542146207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702641245 = 5 ⋅140528249.
It is a cyclic number.
It is not a de Polignac number, because 542146207 - 27 = 542146079 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 (542146217) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 780844 + ... + 781537.
It is an arithmetic number, because the mean of its divisors is an integer number (135927234).
Almost surely, 2542146207 is an apocalyptic number.
542146207 is a deficient number, since it is larger than the sum of its proper divisors (1562729).
542146207 is a wasteful number, since it uses less digits than its factorization.
542146207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1562728.
The product of its (nonzero) digits is 13440, while the sum is 31.
The square root of 542146207 is about 23284.0333061091. The cubic root of 542146207 is about 815.4026925867.
The spelling of 542146207 in words is "five hundred forty-two million, one hundred forty-six thousand, two hundred seven".
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