Base | Representation |
---|---|
bin | 1000011100100011111011 |
3 | 11011111020011 |
4 | 20130203323 |
5 | 1031323024 |
6 | 115242351 |
7 | 24551134 |
oct | 10344373 |
9 | 4144204 |
10 | 2214139 |
11 | 1282574 |
12 | 8a93b7 |
13 | 5c6a55 |
14 | 418c8b |
15 | 2db094 |
hex | 21c8fb |
2214139 has 4 divisors (see below), whose sum is σ = 2222640. Its totient is φ = 2205640.
The previous prime is 2214137. The next prime is 2214161. The reversal of 2214139 is 9314122.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9314122 = 2 ⋅4657061.
It is a cyclic number.
It is not a de Polignac number, because 2214139 - 21 = 2214137 is a prime.
It is a super-2 number, since 2×22141392 = 9804823022642, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2214137) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3847 + ... + 4384.
It is an arithmetic number, because the mean of its divisors is an integer number (555660).
22214139 is an apocalyptic number.
2214139 is a deficient number, since it is larger than the sum of its proper divisors (8501).
2214139 is an equidigital number, since it uses as much as digits as its factorization.
2214139 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8500.
The product of its digits is 432, while the sum is 22.
The square root of 2214139 is about 1487.9983198915. The cubic root of 2214139 is about 130.3371720811.
It can be divided in two parts, 22 and 14139, that added together give a square (14161 = 1192).
The spelling of 2214139 in words is "two million, two hundred fourteen thousand, one hundred thirty-nine".
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