Base | Representation |
---|---|
bin | 101101011101… |
… | …101110000110 |
3 | 211102111201100 |
4 | 231131232012 |
5 | 11022340324 |
6 | 1103240530 |
7 | 203205660 |
oct | 55355606 |
9 | 24374640 |
10 | 11918214 |
11 | 6800370 |
12 | 3ba9146 |
13 | 26139c9 |
14 | 1823530 |
15 | 10a64c9 |
hex | b5db86 |
11918214 has 48 divisors (see below), whose sum is σ = 32198400. Its totient is φ = 3095280.
The previous prime is 11918201. The next prime is 11918243. The reversal of 11918214 is 41281911.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2914 + ... + 5685.
It is an arithmetic number, because the mean of its divisors is an integer number (670800).
Almost surely, 211918214 is an apocalyptic number.
11918214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
11918214 is an abundant number, since it is smaller than the sum of its proper divisors (20280186).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11918214 is a wasteful number, since it uses less digits than its factorization.
11918214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8625 (or 8622 counting only the distinct ones).
The product of its digits is 576, while the sum is 27.
The square root of 11918214 is about 3452.2766401318. The cubic root of 11918214 is about 228.4215423955.
The spelling of 11918214 in words is "eleven million, nine hundred eighteen thousand, two hundred fourteen".
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