Base | Representation |
---|---|
bin | 1011100010100001111101 |
3 | 12200200112211 |
4 | 23202201331 |
5 | 1233300041 |
6 | 144500421 |
7 | 34466206 |
oct | 13424175 |
9 | 5620484 |
10 | 3025021 |
11 | 178681a |
12 | 101a711 |
13 | 81bb6c |
14 | 58a5ad |
15 | 3eb481 |
hex | 2e287d |
3025021 has 8 divisors (see below), whose sum is σ = 3137400. Its totient is φ = 2914560.
The previous prime is 3025003. The next prime is 3025027. The reversal of 3025021 is 1205203.
It can be written as a sum of positive squares in 4 ways, for example, as 900 + 3024121 = 30^2 + 1739^2 .
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 3025021 - 219 = 2500733 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3024992 and 3025010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3025027) 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, 3235 + ... + 4063.
It is an arithmetic number, because the mean of its divisors is an integer number (392175).
Almost surely, 23025021 is an apocalyptic number.
It is an amenable number.
3025021 is a deficient number, since it is larger than the sum of its proper divisors (112379).
3025021 is an equidigital number, since it uses as much as digits as its factorization.
3025021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 959.
The product of its (nonzero) digits is 60, while the sum is 13.
The square root of 3025021 is about 1739.2587501577. The cubic root of 3025021 is about 144.6248088555.
The spelling of 3025021 in words is "three million, twenty-five thousand, twenty-one".
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