Base | Representation |
---|---|
bin | 11001100111100… |
… | …10010110101101 |
3 | 112222101011101100 |
4 | 30303302112231 |
5 | 420003332224 |
6 | 33154033313 |
7 | 5216431665 |
oct | 1463622655 |
9 | 488334340 |
10 | 214902189 |
11 | 100341217 |
12 | 5bb78839 |
13 | 356a4278 |
14 | 207811a5 |
15 | 13ceeac9 |
hex | ccf25ad |
214902189 has 24 divisors (see below), whose sum is σ = 320890752. Its totient is φ = 138507840.
The previous prime is 214902169. The next prime is 214902229. The reversal of 214902189 is 981209412.
It is not a de Polignac number, because 214902189 - 211 = 214900141 is a prime.
It is a super-3 number, since 3×2149021893 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214902119) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32049 + ... + 38169.
It is an arithmetic number, because the mean of its divisors is an integer number (13370448).
Almost surely, 2214902189 is an apocalyptic number.
It is an amenable number.
214902189 is a deficient number, since it is larger than the sum of its proper divisors (105988563).
214902189 is a wasteful number, since it uses less digits than its factorization.
214902189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6257 (or 6254 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 36.
The square root of 214902189 is about 14659.5425917728. The cubic root of 214902189 is about 598.9817813621.
The spelling of 214902189 in words is "two hundred fourteen million, nine hundred two thousand, one hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •