Base | Representation |
---|---|
bin | 1111101000001111010101 |
3 | 21201011000001 |
4 | 33220033111 |
5 | 2022100411 |
6 | 223451301 |
7 | 46552360 |
oct | 17501725 |
9 | 7634001 |
10 | 4096981 |
11 | 2349139 |
12 | 1456b31 |
13 | b05a65 |
14 | 7890d7 |
15 | 55ddc1 |
hex | 3e83d5 |
4096981 has 4 divisors (see below), whose sum is σ = 4682272. Its totient is φ = 3511692.
The previous prime is 4096969. The next prime is 4096999. The reversal of 4096981 is 1896904.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 4096981 - 27 = 4096853 is a prime.
It is a super-2 number, since 2×40969812 = 33570506628722, which contains 22 as substring.
It is an Ulam number.
It is a zygodrome in base 4.
It is a self number, because there is not a number n which added to its sum of digits gives 4096981.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4096931) 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 3 ways as a sum of consecutive naturals, for example, 292635 + ... + 292648.
It is an arithmetic number, because the mean of its divisors is an integer number (1170568).
Almost surely, 24096981 is an apocalyptic number.
It is an amenable number.
4096981 is a deficient number, since it is larger than the sum of its proper divisors (585291).
4096981 is an equidigital number, since it uses as much as digits as its factorization.
4096981 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 585290.
The product of its (nonzero) digits is 15552, while the sum is 37.
The square root of 4096981 is about 2024.1000469344. The cubic root of 4096981 is about 160.0127724179.
The spelling of 4096981 in words is "four million, ninety-six thousand, nine hundred eighty-one".
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