Base | Representation |
---|---|
bin | 11001011000011… |
… | …10010001001110 |
3 | 112211122102110202 |
4 | 30230032101032 |
5 | 414001404444 |
6 | 33043333502 |
7 | 5163533123 |
oct | 1454162116 |
9 | 484572422 |
10 | 212919374 |
11 | aa207528 |
12 | 5b381292 |
13 | 3515b8c5 |
14 | 203c674a |
15 | 13a5c34e |
hex | cb0e44e |
212919374 has 8 divisors (see below), whose sum is σ = 320532888. Its totient is φ = 106075080.
The previous prime is 212919331. The next prime is 212919379. The reversal of 212919374 is 473919212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212919379) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191612 + ... + 192719.
It is an arithmetic number, because the mean of its divisors is an integer number (40066611).
Almost surely, 2212919374 is an apocalyptic number.
212919374 is a deficient number, since it is larger than the sum of its proper divisors (107613514).
212919374 is a wasteful number, since it uses less digits than its factorization.
212919374 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 384610.
The product of its digits is 27216, while the sum is 38.
The square root of 212919374 is about 14591.7570566399. The cubic root of 212919374 is about 597.1338994308.
The spelling of 212919374 in words is "two hundred twelve million, nine hundred nineteen thousand, three hundred seventy-four".
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