Base | Representation |
---|---|
bin | 11001010110000… |
… | …01001001010010 |
3 | 112211001101010202 |
4 | 30223001021102 |
5 | 413411302344 |
6 | 33032455202 |
7 | 5161046126 |
oct | 1453011122 |
9 | 484041122 |
10 | 212603474 |
11 | aa011156 |
12 | 5b24a502 |
13 | 3507ab95 |
14 | 20343586 |
15 | 139e894e |
hex | cac1252 |
212603474 has 8 divisors (see below), whose sum is σ = 319124988. Its totient is φ = 106228480.
The previous prime is 212603473. The next prime is 212603497. The reversal of 212603474 is 474306212.
It can be written as a sum of positive squares in 2 ways, for example, as 211906249 + 697225 = 14557^2 + 835^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (212603473) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32927 + ... + 38850.
Almost surely, 2212603474 is an apocalyptic number.
212603474 is a deficient number, since it is larger than the sum of its proper divisors (106521514).
212603474 is a wasteful number, since it uses less digits than its factorization.
212603474 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73260.
The product of its (nonzero) digits is 8064, while the sum is 29.
The square root of 212603474 is about 14580.9284340881. The cubic root of 212603474 is about 596.8384386622.
Adding to 212603474 its reverse (474306212), we get a palindrome (686909686).
The spelling of 212603474 in words is "two hundred twelve million, six hundred three thousand, four hundred seventy-four".
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