Base | Representation |
---|---|
bin | 1111010000111010100111 |
3 | 21112021221202 |
4 | 33100322213 |
5 | 2011021242 |
6 | 221433115 |
7 | 46004012 |
oct | 17207247 |
9 | 7467852 |
10 | 4001447 |
11 | 229338a |
12 | 140b79b |
13 | aa1428 |
14 | 762379 |
15 | 540932 |
hex | 3d0ea7 |
4001447 has 8 divisors (see below), whose sum is σ = 4122144. Its totient is φ = 3882528.
The previous prime is 4001411. The next prime is 4001453. The reversal of 4001447 is 7441004.
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 4001447 - 26 = 4001383 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 (4001407) 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, 5093 + ... + 5825.
It is an arithmetic number, because the mean of its divisors is an integer number (515268).
Almost surely, 24001447 is an apocalyptic number.
4001447 is a deficient number, since it is larger than the sum of its proper divisors (120697).
4001447 is a wasteful number, since it uses less digits than its factorization.
4001447 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 889.
The product of its (nonzero) digits is 448, while the sum is 20.
The square root of 4001447 is about 2000.3617172902. The cubic root of 4001447 is about 158.7592443002.
The spelling of 4001447 in words is "four million, one thousand, four hundred forty-seven".
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