Base | Representation |
---|---|
bin | 11001100011010… |
… | …11110010001110 |
3 | 112221100011021120 |
4 | 30301223302032 |
5 | 414333212430 |
6 | 33134141410 |
7 | 5211645000 |
oct | 1461536216 |
9 | 487304246 |
10 | 214350990 |
11 | aaaa5087 |
12 | 5b951866 |
13 | 35540409 |
14 | 2067a370 |
15 | 13c41610 |
hex | cc6bc8e |
214350990 has 128 divisors (see below), whose sum is σ = 617241600. Its totient is φ = 47585664.
The previous prime is 214350971. The next prime is 214350991. The reversal of 214350990 is 99053412.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214350991) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 380449 + ... + 381011.
It is an arithmetic number, because the mean of its divisors is an integer number (4822200).
Almost surely, 2214350990 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 214350990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308620800).
214350990 is an abundant number, since it is smaller than the sum of its proper divisors (402890610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214350990 is a wasteful number, since it uses less digits than its factorization.
214350990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 631 (or 617 counting only the distinct ones).
The product of its (nonzero) digits is 9720, while the sum is 33.
The square root of 214350990 is about 14640.7305145611. The cubic root of 214350990 is about 598.4692368169.
The spelling of 214350990 in words is "two hundred fourteen million, three hundred fifty thousand, nine hundred ninety".
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