Base | Representation |
---|---|
bin | 1000000111010010011101 |
3 | 11000001200222 |
4 | 20013102131 |
5 | 1021031010 |
6 | 113331125 |
7 | 24036116 |
oct | 10072235 |
9 | 4001628 |
10 | 2127005 |
11 | 1223061 |
12 | 866aa5 |
13 | 5961aa |
14 | 3d520d |
15 | 2c0355 |
hex | 20749d |
2127005 has 8 divisors (see below), whose sum is σ = 2640600. Its totient is φ = 1642816.
The previous prime is 2126963. The next prime is 2127007. The reversal of 2127005 is 5007212.
It can be written as a sum of positive squares in 4 ways, for example, as 334084 + 1792921 = 578^2 + 1339^2 .
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 2127005 - 28 = 2126749 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2127007) 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, 7190 + ... + 7479.
It is an arithmetic number, because the mean of its divisors is an integer number (330075).
22127005 is an apocalyptic number.
It is an amenable number.
2127005 is a deficient number, since it is larger than the sum of its proper divisors (513595).
2127005 is a wasteful number, since it uses less digits than its factorization.
2127005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14703.
The product of its (nonzero) digits is 140, while the sum is 17.
The square root of 2127005 is about 1458.4255208957. The cubic root of 2127005 is about 128.6045014859.
The spelling of 2127005 in words is "two million, one hundred twenty-seven thousand, five".
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