Base | Representation |
---|---|
bin | 1010111110010000… |
… | …0101101100000101 |
3 | 21121021102112202011 |
4 | 2233210011230011 |
5 | 22013020121120 |
6 | 1204135414221 |
7 | 132664052446 |
oct | 25744055405 |
9 | 7537375664 |
10 | 2945473285 |
11 | 1281708747 |
12 | 6a2524371 |
13 | 37c302901 |
14 | 1dd2912cd |
15 | 1238c2c5a |
hex | af905b05 |
2945473285 has 8 divisors (see below), whose sum is σ = 3560368536. Its totient is φ = 2339178240.
The previous prime is 2945473283. The next prime is 2945473291. The reversal of 2945473285 is 5823745492.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 29257281 + 2916216004 = 5409^2 + 54002^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2945473285 - 21 = 2945473283 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 (2945473283) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2149296 + ... + 2150665.
It is an arithmetic number, because the mean of its divisors is an integer number (445046067).
Almost surely, 22945473285 is an apocalyptic number.
It is an amenable number.
2945473285 is a deficient number, since it is larger than the sum of its proper divisors (614895251).
2945473285 is a wasteful number, since it uses less digits than its factorization.
2945473285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4300103.
The product of its digits is 2419200, while the sum is 49.
The square root of 2945473285 is about 54272.2146682812. The cubic root of 2945473285 is about 1433.4581869186.
The spelling of 2945473285 in words is "two billion, nine hundred forty-five million, four hundred seventy-three thousand, two hundred eighty-five".
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