Base | Representation |
---|---|
bin | 101101010010… |
… | …001111111110 |
3 | 211100010021012 |
4 | 231102033332 |
5 | 11014334410 |
6 | 1102235222 |
7 | 202622000 |
oct | 55221776 |
9 | 24303235 |
10 | 11871230 |
11 | 6779038 |
12 | 3b85b12 |
13 | 25c84c7 |
14 | 1810370 |
15 | 1097605 |
hex | b523fe |
11871230 has 32 divisors (see below), whose sum is σ = 24926400. Its totient is φ = 4068960.
The previous prime is 11871229. The next prime is 11871259. The reversal of 11871230 is 3217811.
It is a happy number.
It is a super-2 number, since 2×118712302 = 281852203425800, which contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 11871196 and 11871205.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1700 + ... + 5160.
It is an arithmetic number, because the mean of its divisors is an integer number (778950).
Almost surely, 211871230 is an apocalyptic number.
11871230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
11871230 is an abundant number, since it is smaller than the sum of its proper divisors (13055170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11871230 is an equidigital number, since it uses as much as digits as its factorization.
11871230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3489 (or 3475 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 23.
The square root of 11871230 is about 3445.4651355078. The cubic root of 11871230 is about 228.1209858554.
The spelling of 11871230 in words is "eleven million, eight hundred seventy-one thousand, two hundred thirty".
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