Base | Representation |
---|---|
bin | 111111111010011… |
… | …1001110111101111 |
3 | 12112110101200210012 |
4 | 1333310321313233 |
5 | 13343002344314 |
6 | 552445403435 |
7 | 104100405062 |
oct | 17764716757 |
9 | 5473350705 |
10 | 2144574959 |
11 | a006139aa |
12 | 4ba26957b |
13 | 2823c6b87 |
14 | 164b708d9 |
15 | c841e93e |
hex | 7fd39def |
2144574959 has 8 divisors (see below), whose sum is σ = 2163652608. Its totient is φ = 2125531800.
The previous prime is 2144574937. The next prime is 2144574977. The reversal of 2144574959 is 9594754412.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2144574959 - 220 = 2143526383 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 (2144574979) 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, 125444 + ... + 141510.
It is an arithmetic number, because the mean of its divisors is an integer number (270456576).
Almost surely, 22144574959 is an apocalyptic number.
2144574959 is a deficient number, since it is larger than the sum of its proper divisors (19077649).
2144574959 is a wasteful number, since it uses less digits than its factorization.
2144574959 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17245.
The product of its digits is 1814400, while the sum is 50.
The square root of 2144574959 is about 46309.5558065503. Note that the first 3 decimals coincide. The cubic root of 2144574959 is about 1289.5764005883.
The spelling of 2144574959 in words is "two billion, one hundred forty-four million, five hundred seventy-four thousand, nine hundred fifty-nine".
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