Base | Representation |
---|---|
bin | 101101010001… |
… | …100111010110 |
3 | 211022222200220 |
4 | 231101213112 |
5 | 11014244010 |
6 | 1102215210 |
7 | 202611264 |
oct | 55214726 |
9 | 24288626 |
10 | 11868630 |
11 | 6777094 |
12 | 3b84506 |
13 | 25c7277 |
14 | 180d434 |
15 | 1096970 |
hex | b519d6 |
11868630 has 16 divisors (see below), whose sum is σ = 28484784. Its totient is φ = 3164960.
The previous prime is 11868613. The next prime is 11868641. The reversal of 11868630 is 3686811.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 11868591 and 11868600.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197781 + ... + 197840.
It is an arithmetic number, because the mean of its divisors is an integer number (1780299).
Almost surely, 211868630 is an apocalyptic number.
11868630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
11868630 is an abundant number, since it is smaller than the sum of its proper divisors (16616154).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11868630 is a wasteful number, since it uses less digits than its factorization.
11868630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 395631.
The product of its (nonzero) digits is 6912, while the sum is 33.
The square root of 11868630 is about 3445.0878072990. The cubic root of 11868630 is about 228.1043305224.
The spelling of 11868630 in words is "eleven million, eight hundred sixty-eight thousand, six hundred thirty".
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