Base | Representation |
---|---|
bin | 111110100011101100111 |
3 | 10212010221001 |
4 | 13310131213 |
5 | 1011044040 |
6 | 111534131 |
7 | 23265241 |
oct | 7643547 |
9 | 3763831 |
10 | 2049895 |
11 | 1180131 |
12 | 82a347 |
13 | 56a073 |
14 | 3b5091 |
15 | 2a759a |
hex | 1f4767 |
2049895 has 8 divisors (see below), whose sum is σ = 2470320. Its totient is φ = 1632960.
The previous prime is 2049893. The next prime is 2049919. The reversal of 2049895 is 5989402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2049895 - 21 = 2049893 is a prime.
It is a super-2 number, since 2×20498952 = 8404139022050, which contains 22 as substring.
It is a d-powerful number, because it can be written as 27 + 0 + 46 + 93 + 85 + 95 + 59 .
2049895 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2049893) 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, 676 + ... + 2134.
It is an arithmetic number, because the mean of its divisors is an integer number (308790).
22049895 is an apocalyptic number.
2049895 is a deficient number, since it is larger than the sum of its proper divisors (420425).
2049895 is a wasteful number, since it uses less digits than its factorization.
2049895 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1745.
The product of its (nonzero) digits is 25920, while the sum is 37.
The square root of 2049895 is about 1431.7454382676. The cubic root of 2049895 is about 127.0312403771.
The spelling of 2049895 in words is "two million, forty-nine thousand, eight hundred ninety-five".
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