Base | Representation |
---|---|
bin | 11011111011001… |
… | …110010100011011 |
3 | 1012122120202212110 |
4 | 123323032110123 |
5 | 1424414304404 |
6 | 114253443403 |
7 | 14416161210 |
oct | 3373162433 |
9 | 1178522773 |
10 | 468509979 |
11 | 220509533 |
12 | 110aa0563 |
13 | 760aab52 |
14 | 46319b07 |
15 | 2b1e7b89 |
hex | 1bece51b |
468509979 has 16 divisors (see below), whose sum is σ = 714659840. Its totient is φ = 267442560.
The previous prime is 468509971. The next prime is 468510001. The reversal of 468509979 is 979905864.
It is not a de Polignac number, because 468509979 - 23 = 468509971 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (468509971) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10134 + ... + 32244.
It is an arithmetic number, because the mean of its divisors is an integer number (44666240).
Almost surely, 2468509979 is an apocalyptic number.
468509979 is a deficient number, since it is larger than the sum of its proper divisors (246149861).
468509979 is a wasteful number, since it uses less digits than its factorization.
468509979 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23130.
The product of its (nonzero) digits is 4898880, while the sum is 57.
The square root of 468509979 is about 21645.0913372986. The cubic root of 468509979 is about 776.6755169980.
The spelling of 468509979 in words is "four hundred sixty-eight million, five hundred nine thousand, nine hundred seventy-nine".
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