Base | Representation |
---|---|
bin | 1000001100101011110001 |
3 | 11001012000111 |
4 | 20030223301 |
5 | 1022232410 |
6 | 114021321 |
7 | 24160420 |
oct | 10145361 |
9 | 4035014 |
10 | 2149105 |
11 | 1238722 |
12 | 877841 |
13 | 5a327a |
14 | 3dd2b7 |
15 | 2c6b8a |
hex | 20caf1 |
2149105 has 8 divisors (see below), whose sum is σ = 2947392. Its totient is φ = 1473648.
The previous prime is 2149093. The next prime is 2149111. The reversal of 2149105 is 5019412.
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 2149105 - 213 = 2140913 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30667 + ... + 30736.
It is an arithmetic number, because the mean of its divisors is an integer number (368424).
22149105 is an apocalyptic number.
It is an amenable number.
2149105 is a deficient number, since it is larger than the sum of its proper divisors (798287).
2149105 is an equidigital number, since it uses as much as digits as its factorization.
2149105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61415.
The product of its (nonzero) digits is 360, while the sum is 22.
The square root of 2149105 is about 1465.9826056267. The cubic root of 2149105 is about 129.0483763836.
The spelling of 2149105 in words is "two million, one hundred forty-nine thousand, one hundred five".
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