Base | Representation |
---|---|
bin | 11001100110001… |
… | …10100101100000 |
3 | 112222001001110110 |
4 | 30303012211200 |
5 | 414432113122 |
6 | 33150131320 |
7 | 5215054215 |
oct | 1463064540 |
9 | 488031413 |
10 | 214722912 |
11 | 100229558 |
12 | 5bab0b40 |
13 | 356407a1 |
14 | 20735b0c |
15 | 13cb690c |
hex | ccc6960 |
214722912 has 24 divisors (see below), whose sum is σ = 563647896. Its totient is φ = 71574272.
The previous prime is 214722901. The next prime is 214722941. The reversal of 214722912 is 219227412.
It is a tau number, because it is divible by the number of its divisors (24).
It is a super-2 number, since 2×2147229122 = 92211857875519488, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 214722912.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1118253 + ... + 1118444.
It is an arithmetic number, because the mean of its divisors is an integer number (23485329).
Almost surely, 2214722912 is an apocalyptic number.
It is an amenable number.
214722912 is an abundant number, since it is smaller than the sum of its proper divisors (348924984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214722912 is a wasteful number, since it uses less digits than its factorization.
214722912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2236710 (or 2236702 counting only the distinct ones).
The product of its digits is 4032, while the sum is 30.
The square root of 214722912 is about 14653.4266299729. The cubic root of 214722912 is about 598.8151729593.
The spelling of 214722912 in words is "two hundred fourteen million, seven hundred twenty-two thousand, nine hundred twelve".
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