Base | Representation |
---|---|
bin | 11001100111101… |
… | …00010100100000 |
3 | 112222101120102112 |
4 | 30303310110200 |
5 | 420004111430 |
6 | 33154134452 |
7 | 5216464316 |
oct | 1463642440 |
9 | 488346375 |
10 | 214910240 |
11 | 100347276 |
12 | 5bb81428 |
13 | 356a7b2c |
14 | 207840b6 |
15 | 13d02195 |
hex | ccf4520 |
214910240 has 48 divisors (see below), whose sum is σ = 513874368. Its totient is φ = 84923136.
The previous prime is 214910237. The next prime is 214910261. The reversal of 214910240 is 42019412.
It is a super-2 number, since 2×2149102402 = 92372822513715200, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5189 + ... + 21371.
It is an arithmetic number, because the mean of its divisors is an integer number (10705716).
Almost surely, 2214910240 is an apocalyptic number.
214910240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 214910240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256937184).
214910240 is an abundant number, since it is smaller than the sum of its proper divisors (298964128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214910240 is a wasteful number, since it uses less digits than its factorization.
214910240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16281 (or 16273 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 23.
The square root of 214910240 is about 14659.8171884918. The cubic root of 214910240 is about 598.9892612644.
Adding to 214910240 its reverse (42019412), we get a palindrome (256929652).
The spelling of 214910240 in words is "two hundred fourteen million, nine hundred ten thousand, two hundred forty".
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