Base | Representation |
---|---|
bin | 10111101110101100100101 |
3 | 102201001000220 |
4 | 113232230211 |
5 | 3043024311 |
6 | 341154553 |
7 | 103605543 |
oct | 27565445 |
9 | 12631026 |
10 | 6220581 |
11 | 3569684 |
12 | 20bba59 |
13 | 139a523 |
14 | b7cd93 |
15 | 82d206 |
hex | 5eeb25 |
6220581 has 8 divisors (see below), whose sum is σ = 8730720. Its totient is φ = 3928752.
The previous prime is 6220579. The next prime is 6220631. The reversal of 6220581 is 1850226.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 6220581 - 21 = 6220579 is a prime.
It is a super-2 number, since 2×62205812 = 77391255955122, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6200581) 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, 54510 + ... + 54623.
It is an arithmetic number, because the mean of its divisors is an integer number (1091340).
Almost surely, 26220581 is an apocalyptic number.
It is an amenable number.
6220581 is a deficient number, since it is larger than the sum of its proper divisors (2510139).
6220581 is a wasteful number, since it uses less digits than its factorization.
6220581 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109155.
The product of its (nonzero) digits is 960, while the sum is 24.
The square root of 6220581 is about 2494.1092598361. The cubic root of 6220581 is about 183.9121055474.
The spelling of 6220581 in words is "six million, two hundred twenty thousand, five hundred eighty-one".
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