Base | Representation |
---|---|
bin | 1011011101101000110101 |
3 | 12122200001121 |
4 | 23131220311 |
5 | 1232124411 |
6 | 144223541 |
7 | 34353610 |
oct | 13355065 |
9 | 5580047 |
10 | 3004981 |
11 | 1772761 |
12 | 100abb1 |
13 | 8129c5 |
14 | 583177 |
15 | 3e5571 |
hex | 2dda35 |
3004981 has 4 divisors (see below), whose sum is σ = 3434272. Its totient is φ = 2575692.
The previous prime is 3004979. The next prime is 3004987. The reversal of 3004981 is 1894003.
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 not a de Polignac number, because 3004981 - 21 = 3004979 is a prime.
It is a super-2 number, since 2×30049812 = 18059821620722, which contains 22 as substring.
It is a Duffinian number.
3004981 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3004987) 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, 214635 + ... + 214648.
It is an arithmetic number, because the mean of its divisors is an integer number (858568).
Almost surely, 23004981 is an apocalyptic number.
It is an amenable number.
3004981 is a deficient number, since it is larger than the sum of its proper divisors (429291).
3004981 is an equidigital number, since it uses as much as digits as its factorization.
3004981 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 429290.
The product of its (nonzero) digits is 864, while the sum is 25.
The square root of 3004981 is about 1733.4881020647. The cubic root of 3004981 is about 144.3047333965.
Adding to 3004981 its reverse (1894003), we get a palindrome (4898984).
The spelling of 3004981 in words is "three million, four thousand, nine hundred eighty-one".
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