Base | Representation |
---|---|
bin | 111110100010011000011 |
3 | 10212010000000 |
4 | 13310103003 |
5 | 1011033334 |
6 | 111531043 |
7 | 23263254 |
oct | 7642303 |
9 | 3763000 |
10 | 2049219 |
11 | 117a677 |
12 | 829a83 |
13 | 569973 |
14 | 3b4b2b |
15 | 2a7299 |
hex | 1f44c3 |
2049219 has 16 divisors (see below), whose sum is σ = 3076640. Its totient is φ = 1364688.
The previous prime is 2049191. The next prime is 2049263. The reversal of 2049219 is 9129402.
It is not a de Polignac number, because 2049219 - 213 = 2041027 is a prime.
It is a super-2 number, since 2×20492192 = 8398597019922, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2049192 and 2049201.
It is not an unprimeable number, because it can be changed into a prime (2049269) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1719 + ... + 2655.
It is an arithmetic number, because the mean of its divisors is an integer number (192290).
22049219 is an apocalyptic number.
2049219 is a deficient number, since it is larger than the sum of its proper divisors (1027421).
2049219 is an frugal number, since it uses more digits than its factorization.
2049219 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 958 (or 940 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 27.
The square root of 2049219 is about 1431.5093433156. The cubic root of 2049219 is about 127.0172750180.
The spelling of 2049219 in words is "two million, forty-nine thousand, two hundred nineteen".
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