Base | Representation |
---|---|
bin | 111010011100101001110 |
3 | 10121022011212 |
4 | 13103211032 |
5 | 442241324 |
6 | 105014422 |
7 | 22164500 |
oct | 7234516 |
9 | 3538155 |
10 | 1915214 |
11 | 1098a24 |
12 | 784412 |
13 | 520982 |
14 | 37bd70 |
15 | 27c70e |
hex | 1d394e |
1915214 has 12 divisors (see below), whose sum is σ = 3342024. Its totient is φ = 820764.
The previous prime is 1915213. The next prime is 1915223. The reversal of 1915214 is 4125191.
It is a happy number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 1915214.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1915213) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9674 + ... + 9869.
It is an arithmetic number, because the mean of its divisors is an integer number (278502).
21915214 is an apocalyptic number.
1915214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
1915214 is a deficient number, since it is larger than the sum of its proper divisors (1426810).
1915214 is a wasteful number, since it uses less digits than its factorization.
1915214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19559 (or 19552 counting only the distinct ones).
The product of its digits is 360, while the sum is 23.
The square root of 1915214 is about 1383.9125694927. The cubic root of 1915214 is about 124.1859419850.
Subtracting from 1915214 its sum of digits (23), we obtain a palindrome (1915191).
The spelling of 1915214 in words is "one million, nine hundred fifteen thousand, two hundred fourteen".
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