Base | Representation |
---|---|
bin | 11100100110111… |
… | …011111001001111 |
3 | 1020110010221110222 |
4 | 130212323321033 |
5 | 1440333000342 |
6 | 115343221555 |
7 | 14615445041 |
oct | 3446737117 |
9 | 1213127428 |
10 | 479968847 |
11 | 226a25776 |
12 | 1148a78bb |
13 | 78590747 |
14 | 47a5da91 |
15 | 2c20ced2 |
hex | 1c9bbe4f |
479968847 has 4 divisors (see below), whose sum is σ = 492941016. Its totient is φ = 466996680.
The previous prime is 479968799. The next prime is 479968859. The reversal of 479968847 is 748869974.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 748869974 = 2 ⋅374434987.
It is a cyclic number.
It is not a de Polignac number, because 479968847 - 214 = 479952463 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 479968847.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (479968897) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6486029 + ... + 6486102.
It is an arithmetic number, because the mean of its divisors is an integer number (123235254).
Almost surely, 2479968847 is an apocalyptic number.
479968847 is a deficient number, since it is larger than the sum of its proper divisors (12972169).
479968847 is a wasteful number, since it uses less digits than its factorization.
479968847 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12972168.
The product of its digits is 24385536, while the sum is 62.
The square root of 479968847 is about 21908.1913219691. The cubic root of 479968847 is about 782.9565889962.
The spelling of 479968847 in words is "four hundred seventy-nine million, nine hundred sixty-eight thousand, eight hundred forty-seven".
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