Base | Representation |
---|---|
bin | 1011001111001110101001 |
3 | 12112200002200 |
4 | 23033032221 |
5 | 1223232321 |
6 | 143050413 |
7 | 34016544 |
oct | 13171651 |
9 | 5480080 |
10 | 2945961 |
11 | 1732387 |
12 | ba0a09 |
13 | 7c1b95 |
14 | 56985b |
15 | 3d2d26 |
hex | 2cf3a9 |
2945961 has 12 divisors (see below), whose sum is σ = 4392960. Its totient is φ = 1900440.
The previous prime is 2945959. The next prime is 2945983. The reversal of 2945961 is 1695492.
It is not a de Polignac number, because 2945961 - 21 = 2945959 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2945941) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5001 + ... + 5558.
It is an arithmetic number, because the mean of its divisors is an integer number (366080).
22945961 is an apocalyptic number.
It is an amenable number.
2945961 is a deficient number, since it is larger than the sum of its proper divisors (1446999).
2945961 is a wasteful number, since it uses less digits than its factorization.
2945961 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10596 (or 10593 counting only the distinct ones).
The product of its digits is 19440, while the sum is 36.
The square root of 2945961 is about 1716.3802026358. The cubic root of 2945961 is about 143.3537300461.
The spelling of 2945961 in words is "two million, nine hundred forty-five thousand, nine hundred sixty-one".
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