Base | Representation |
---|---|
bin | 111110010000011110001 |
3 | 10211122102101 |
4 | 13302003301 |
5 | 1010240144 |
6 | 111420401 |
7 | 23224444 |
oct | 7620361 |
9 | 3748371 |
10 | 2040049 |
11 | 11737a0 |
12 | 824701 |
13 | 56573b |
14 | 3b165b |
15 | 2a46d4 |
hex | 1f20f1 |
2040049 has 16 divisors (see below), whose sum is σ = 2407680. Its totient is φ = 1708560.
The previous prime is 2040047. The next prime is 2040053. The reversal of 2040049 is 9400402.
It is a cyclic number.
It is not a de Polignac number, because 2040049 - 21 = 2040047 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
2040049 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (2040041) 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, 8874 + ... + 9100.
It is an arithmetic number, because the mean of its divisors is an integer number (150480).
22040049 is an apocalyptic number.
It is an amenable number.
2040049 is a deficient number, since it is larger than the sum of its proper divisors (367631).
2040049 is a wasteful number, since it uses less digits than its factorization.
2040049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 300.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 2040049 is about 1428.3028390366. The cubic root of 2040049 is about 126.8275295406.
It can be divided in two parts, 20400 and 49, that added together give a square (20449 = 1432).
The spelling of 2040049 in words is "two million, forty thousand, forty-nine".
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