Base | Representation |
---|---|
bin | 1111010001010001000001 |
3 | 21112100220212 |
4 | 33101101001 |
5 | 2011043011 |
6 | 221443505 |
7 | 46011131 |
oct | 17212101 |
9 | 7470825 |
10 | 4002881 |
11 | 2294473 |
12 | 1410595 |
13 | aa1c8c |
14 | 762ac1 |
15 | 54108b |
hex | 3d1441 |
4002881 has 8 divisors (see below), whose sum is σ = 4100928. Its totient is φ = 3906000.
The previous prime is 4002877. The next prime is 4002893. The reversal of 4002881 is 1882004.
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 4002881 - 22 = 4002877 is a prime.
It is a super-2 number, since 2×40028812 = 32046112600322, which contains 22 as substring.
It is an Ulam number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (4002811) 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, 12716 + ... + 13026.
It is an arithmetic number, because the mean of its divisors is an integer number (512616).
Almost surely, 24002881 is an apocalyptic number.
It is an amenable number.
4002881 is a deficient number, since it is larger than the sum of its proper divisors (98047).
4002881 is a wasteful number, since it uses less digits than its factorization.
4002881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 583.
The product of its (nonzero) digits is 512, while the sum is 23.
The square root of 4002881 is about 2000.7201203567. The cubic root of 4002881 is about 158.7782069043.
Adding to 4002881 its reverse (1882004), we get a palindrome (5884885).
The spelling of 4002881 in words is "four million, two thousand, eight hundred eighty-one".
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