Base | Representation |
---|---|
bin | 1011001111000000010111 |
3 | 12112121211211 |
4 | 23033000113 |
5 | 1223220142 |
6 | 143042251 |
7 | 34014100 |
oct | 13170027 |
9 | 5477754 |
10 | 2945047 |
11 | 1731726 |
12 | ba0387 |
13 | 7c1641 |
14 | 5693a7 |
15 | 3d2917 |
hex | 2cf017 |
2945047 has 6 divisors (see below), whose sum is σ = 3425928. Its totient is φ = 2524284.
The previous prime is 2945021. The next prime is 2945069. The reversal of 2945047 is 7405492.
2945047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2945047 - 27 = 2944919 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2945147) 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 5 ways as a sum of consecutive naturals, for example, 30003 + ... + 30100.
It is an arithmetic number, because the mean of its divisors is an integer number (570988).
22945047 is an apocalyptic number.
2945047 is a deficient number, since it is larger than the sum of its proper divisors (480881).
2945047 is an equidigital number, since it uses as much as digits as its factorization.
2945047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60117 (or 60110 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 31.
The square root of 2945047 is about 1716.1139239573. The cubic root of 2945047 is about 143.3389030947.
The spelling of 2945047 in words is "two million, nine hundred forty-five thousand, forty-seven".
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