Base | Representation |
---|---|
bin | 101011000001001… |
… | …0010111000011001 |
3 | 10201121002110110021 |
4 | 1112002102320121 |
5 | 10424010122301 |
6 | 355121550441 |
7 | 50525025205 |
oct | 12602227031 |
9 | 3647073407 |
10 | 1443442201 |
11 | 680870543 |
12 | 3434a5421 |
13 | 1a007c016 |
14 | d99bdb05 |
15 | 86ac68a1 |
hex | 56092e19 |
1443442201 has 8 divisors (see below), whose sum is σ = 1506918600. Its totient is φ = 1380879360.
The previous prime is 1443442183. The next prime is 1443442229. The reversal of 1443442201 is 1022443441.
It can be written as a sum of positive squares in 4 ways, for example, as 714172176 + 729270025 = 26724^2 + 27005^2 .
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 1443442201 - 29 = 1443441689 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1443472201) 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 7 ways as a sum of consecutive naturals, for example, 225160 + ... + 231481.
It is an arithmetic number, because the mean of its divisors is an integer number (188364825).
Almost surely, 21443442201 is an apocalyptic number.
It is an amenable number.
1443442201 is a deficient number, since it is larger than the sum of its proper divisors (63476399).
1443442201 is a wasteful number, since it uses less digits than its factorization.
1443442201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 456779.
The product of its (nonzero) digits is 3072, while the sum is 25.
The square root of 1443442201 is about 37992.6598305515. The cubic root of 1443442201 is about 1130.1423061963.
Adding to 1443442201 its reverse (1022443441), we get a palindrome (2465885642).
The spelling of 1443442201 in words is "one billion, four hundred forty-three million, four hundred forty-two thousand, two hundred one".
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