Base | Representation |
---|---|
bin | 10111011000000110101111 |
3 | 102112100002201 |
4 | 113120012233 |
5 | 3032044142 |
6 | 335202331 |
7 | 103042012 |
oct | 27300657 |
9 | 12470081 |
10 | 6128047 |
11 | 3506102 |
12 | 20763a7 |
13 | 1367383 |
14 | b57379 |
15 | 810ab7 |
hex | 5d81af |
6128047 has 4 divisors (see below), whose sum is σ = 6143440. Its totient is φ = 6112656.
The previous prime is 6128039. The next prime is 6128053. The reversal of 6128047 is 7408216.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 6128047 - 23 = 6128039 is a prime.
It is a Duffinian number.
6128047 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6528047) 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, 7083 + ... + 7900.
It is an arithmetic number, because the mean of its divisors is an integer number (1535860).
Almost surely, 26128047 is an apocalyptic number.
6128047 is a deficient number, since it is larger than the sum of its proper divisors (15393).
6128047 is a wasteful number, since it uses less digits than its factorization.
6128047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15392.
The product of its (nonzero) digits is 2688, while the sum is 28.
The square root of 6128047 is about 2475.4892445737. The cubic root of 6128047 is about 182.9956203477.
The spelling of 6128047 in words is "six million, one hundred twenty-eight thousand, forty-seven".
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