Base | Representation |
---|---|
bin | 1011011110001000101101 |
3 | 12122202212011 |
4 | 23132020231 |
5 | 1232211041 |
6 | 144241221 |
7 | 34362553 |
oct | 13361055 |
9 | 5582764 |
10 | 3007021 |
11 | 1774246 |
12 | 1010211 |
13 | 813904 |
14 | 583bd3 |
15 | 3e5e81 |
hex | 2de22d |
3007021 has 8 divisors (see below), whose sum is σ = 3071520. Its totient is φ = 2943408.
The previous prime is 3007019. The next prime is 3007049. The reversal of 3007021 is 1207003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 3007021 - 21 = 3007019 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3006992 and 3007010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3007001) 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, 16710 + ... + 16888.
It is an arithmetic number, because the mean of its divisors is an integer number (383940).
Almost surely, 23007021 is an apocalyptic number.
It is an amenable number.
3007021 is a deficient number, since it is larger than the sum of its proper divisors (64499).
3007021 is a wasteful number, since it uses less digits than its factorization.
3007021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 443.
The product of its (nonzero) digits is 42, while the sum is 13.
The square root of 3007021 is about 1734.0764112345. The cubic root of 3007021 is about 144.3373808647.
The spelling of 3007021 in words is "three million, seven thousand, twenty-one".
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