Base | Representation |
---|---|
bin | 11110101101001110011001 |
3 | 120010221220220 |
4 | 132231032121 |
5 | 4030041221 |
6 | 444310253 |
7 | 125264052 |
oct | 36551631 |
9 | 16127826 |
10 | 8049561 |
11 | 45a8833 |
12 | 2842389 |
13 | 188ab70 |
14 | 10d7729 |
15 | a900c6 |
hex | 7ad399 |
8049561 has 8 divisors (see below), whose sum is σ = 11558400. Its totient is φ = 4953552.
The previous prime is 8049533. The next prime is 8049593. The reversal of 8049561 is 1659408.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 8049561 - 29 = 8049049 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (8049061) 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, 103161 + ... + 103238.
It is an arithmetic number, because the mean of its divisors is an integer number (1444800).
Almost surely, 28049561 is an apocalyptic number.
It is an amenable number.
8049561 is a deficient number, since it is larger than the sum of its proper divisors (3508839).
8049561 is a wasteful number, since it uses less digits than its factorization.
8049561 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 206415.
The product of its (nonzero) digits is 8640, while the sum is 33.
The square root of 8049561 is about 2837.1748271828. The cubic root of 8049561 is about 200.4121583772.
The spelling of 8049561 in words is "eight million, forty-nine thousand, five hundred sixty-one".
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