Base | Representation |
---|---|
bin | 1111101111100101101001 |
3 | 21202200021212 |
4 | 33233211221 |
5 | 2024031311 |
6 | 224242505 |
7 | 50036210 |
oct | 17574551 |
9 | 7680255 |
10 | 4127081 |
11 | 2369812 |
12 | 1470435 |
13 | b1667a |
14 | 796077 |
15 | 567c8b |
hex | 3ef969 |
4127081 has 4 divisors (see below), whose sum is σ = 4716672. Its totient is φ = 3537492.
The previous prime is 4127069. The next prime is 4127083. The reversal of 4127081 is 1807214.
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, and also an emirpimes, since its reverse is a distinct semiprime: 1807214 = 2 ⋅903607.
It is a de Polignac number, because none of the positive numbers 2k-4127081 is a prime.
It is a super-2 number, since 2×41270812 = 34065595161122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (4127083) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294785 + ... + 294798.
It is an arithmetic number, because the mean of its divisors is an integer number (1179168).
Almost surely, 24127081 is an apocalyptic number.
It is an amenable number.
4127081 is a deficient number, since it is larger than the sum of its proper divisors (589591).
4127081 is an equidigital number, since it uses as much as digits as its factorization.
4127081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 589590.
The product of its (nonzero) digits is 448, while the sum is 23.
The square root of 4127081 is about 2031.5218433480. The cubic root of 4127081 is about 160.4036811737.
The spelling of 4127081 in words is "four million, one hundred twenty-seven thousand, eighty-one".
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