Base | Representation |
---|---|
bin | 11100001010111… |
… | …110001101000111 |
3 | 1012221100111211110 |
4 | 130022332031013 |
5 | 1431443411104 |
6 | 114522140103 |
7 | 14466234111 |
oct | 3412761507 |
9 | 1187314743 |
10 | 472638279 |
11 | 222879153 |
12 | 112351633 |
13 | 76bc4c29 |
14 | 46ab23b1 |
15 | 2b760e89 |
hex | 1c2be347 |
472638279 has 16 divisors (see below), whose sum is σ = 639346400. Its totient is φ = 310542336.
The previous prime is 472638227. The next prime is 472638311. The reversal of 472638279 is 972836274.
It is not a de Polignac number, because 472638279 - 27 = 472638151 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 (472638209) 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, 59367 + ... + 66855.
It is an arithmetic number, because the mean of its divisors is an integer number (39959150).
Almost surely, 2472638279 is an apocalyptic number.
472638279 is a deficient number, since it is larger than the sum of its proper divisors (166708121).
472638279 is a wasteful number, since it uses less digits than its factorization.
472638279 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7794.
The product of its digits is 1016064, while the sum is 48.
The square root of 472638279 is about 21740.2456057884. The cubic root of 472638279 is about 778.9500880671.
The spelling of 472638279 in words is "four hundred seventy-two million, six hundred thirty-eight thousand, two hundred seventy-nine".
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