Base | Representation |
---|---|
bin | 101101110110… |
… | …010110001110 |
3 | 211121122002100 |
4 | 231312112032 |
5 | 11034102321 |
6 | 1105335530 |
7 | 204106032 |
oct | 55662616 |
9 | 24548070 |
10 | 12019086 |
11 | 686a132 |
12 | 40375a6 |
13 | 264a8b1 |
14 | 184c1c2 |
15 | 10c6326 |
hex | b7658e |
12019086 has 12 divisors (see below), whose sum is σ = 26041392. Its totient is φ = 4006356.
The previous prime is 12019081. The next prime is 12019097. The reversal of 12019086 is 68091021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12019081) 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, 333846 + ... + 333881.
It is an arithmetic number, because the mean of its divisors is an integer number (2170116).
Almost surely, 212019086 is an apocalyptic number.
12019086 is an abundant number, since it is smaller than the sum of its proper divisors (14022306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12019086 is a wasteful number, since it uses less digits than its factorization.
12019086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 667735 (or 667732 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 27.
The square root of 12019086 is about 3466.8553474294. The cubic root of 12019086 is about 229.0641620838.
The spelling of 12019086 in words is "twelve million, nineteen thousand, eighty-six".
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