Base | Representation |
---|---|
bin | 101101110111… |
… | …000110111001 |
3 | 211121210100201 |
4 | 231313012321 |
5 | 11034202301 |
6 | 1105402201 |
7 | 204121102 |
oct | 55670671 |
9 | 24553321 |
10 | 12022201 |
11 | 6871504 |
12 | 4039361 |
13 | 264c139 |
14 | 184d3a9 |
15 | 10c7201 |
hex | b771b9 |
12022201 has 8 divisors (see below), whose sum is σ = 12207104. Its totient is φ = 11838960.
The previous prime is 12022181. The next prime is 12022223. The reversal of 12022201 is 10222021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12022201 - 217 = 11891129 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12022291) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22726 + ... + 23248.
It is an arithmetic number, because the mean of its divisors is an integer number (1525888).
Almost surely, 212022201 is an apocalyptic number.
It is an amenable number.
12022201 is a deficient number, since it is larger than the sum of its proper divisors (184903).
12022201 is a wasteful number, since it uses less digits than its factorization.
12022201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 831.
The product of its (nonzero) digits is 16, while the sum is 10.
The square root of 12022201 is about 3467.3045727193. The cubic root of 12022201 is about 229.0839493131.
Adding to 12022201 its reverse (10222021), we get a palindrome (22244222).
It can be divided in two parts, 1202 and 2201, that added together give a triangular number (3403 = T82).
The spelling of 12022201 in words is "twelve million, twenty-two thousand, two hundred one".
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