Base | Representation |
---|---|
bin | 100000010110001… |
… | …000011111101111 |
3 | 1101211010122020112 |
4 | 200112020133233 |
5 | 2102411013004 |
6 | 125503210235 |
7 | 16306433450 |
oct | 4026103757 |
9 | 1354118215 |
10 | 542672879 |
11 | 259363191 |
12 | 1318a697b |
13 | 88576418 |
14 | 52103127 |
15 | 32996e6e |
hex | 205887ef |
542672879 has 8 divisors (see below), whose sum is σ = 647162880. Its totient is φ = 444924216.
The previous prime is 542672849. The next prime is 542672903. The reversal of 542672879 is 978276245.
542672879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-542672879 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (542672839) 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, 1685159 + ... + 1685480.
It is an arithmetic number, because the mean of its divisors is an integer number (80895360).
Almost surely, 2542672879 is an apocalyptic number.
542672879 is a deficient number, since it is larger than the sum of its proper divisors (104490001).
542672879 is a wasteful number, since it uses less digits than its factorization.
542672879 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3370669.
The product of its digits is 1693440, while the sum is 50.
The square root of 542672879 is about 23295.3402851300. The cubic root of 542672879 is about 815.6666501516. Note that the first 4 decimals are identical.
The spelling of 542672879 in words is "five hundred forty-two million, six hundred seventy-two thousand, eight hundred seventy-nine".
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