Base | Representation |
---|---|
bin | 11010111000111110111001 |
3 | 111021010121110 |
4 | 122320332321 |
5 | 3301033040 |
6 | 411030533 |
7 | 113626305 |
oct | 32707671 |
9 | 14233543 |
10 | 7049145 |
11 | 3a85144 |
12 | 243b449 |
13 | 15ca6bc |
14 | d16d05 |
15 | 943980 |
hex | 6b8fb9 |
7049145 has 16 divisors (see below), whose sum is σ = 11327040. Its totient is φ = 3743424.
The previous prime is 7049131. The next prime is 7049149. The reversal of 7049145 is 5419407.
It is a happy number.
It is not a de Polignac number, because 7049145 - 25 = 7049113 is a prime.
It is a Curzon number.
7049145 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (7049149) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3162 + ... + 4908.
It is an arithmetic number, because the mean of its divisors is an integer number (707940).
Almost surely, 27049145 is an apocalyptic number.
It is an amenable number.
7049145 is a deficient number, since it is larger than the sum of its proper divisors (4277895).
7049145 is a wasteful number, since it uses less digits than its factorization.
7049145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2024.
The product of its (nonzero) digits is 5040, while the sum is 30.
The square root of 7049145 is about 2655.0225987739. The cubic root of 7049145 is about 191.7397461295.
The spelling of 7049145 in words is "seven million, forty-nine thousand, one hundred forty-five".
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