Base | Representation |
---|---|
bin | 11001010011000… |
… | …01110100111110 |
3 | 112210022112120202 |
4 | 30221201310332 |
5 | 413311304204 |
6 | 33020243502 |
7 | 5154531644 |
oct | 1451416476 |
9 | 483275522 |
10 | 212213054 |
11 | a9874899 |
12 | 5b0a0592 |
13 | 34c72271 |
14 | 20281194 |
15 | 1396ce1e |
hex | ca61d3e |
212213054 has 8 divisors (see below), whose sum is σ = 319495008. Its totient is φ = 105714720.
The previous prime is 212213051. The next prime is 212213059. The reversal of 212213054 is 450312212.
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 (212213051) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195227 + ... + 196310.
It is an arithmetic number, because the mean of its divisors is an integer number (39936876).
Almost surely, 2212213054 is an apocalyptic number.
212213054 is a deficient number, since it is larger than the sum of its proper divisors (107281954).
212213054 is a wasteful number, since it uses less digits than its factorization.
212213054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 391810.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 212213054 is about 14567.5342457123. The cubic root of 212213054 is about 596.4728747941.
Adding to 212213054 its reverse (450312212), we get a palindrome (662525266).
The spelling of 212213054 in words is "two hundred twelve million, two hundred thirteen thousand, fifty-four".
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