Base | Representation |
---|---|
bin | 111110101111101000101 |
3 | 10212110022100 |
4 | 13311331011 |
5 | 1011243010 |
6 | 112022313 |
7 | 23322120 |
oct | 7657505 |
9 | 3773270 |
10 | 2056005 |
11 | 1184786 |
12 | 831999 |
13 | 56ca93 |
14 | 3b73b7 |
15 | 2a92c0 |
hex | 1f5f45 |
2056005 has 48 divisors (see below), whose sum is σ = 4178304. Its totient is φ = 915840.
The previous prime is 2056001. The next prime is 2056007. The reversal of 2056005 is 5006502.
It is not a de Polignac number, because 2056005 - 22 = 2056001 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2056001) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19162 + ... + 19268.
It is an arithmetic number, because the mean of its divisors is an integer number (87048).
22056005 is an apocalyptic number.
It is an amenable number.
2056005 is an abundant number, since it is smaller than the sum of its proper divisors (2122299).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2056005 is a wasteful number, since it uses less digits than its factorization.
2056005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 186 (or 183 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 18.
The square root of 2056005 is about 1433.8776098398. The cubic root of 2056005 is about 127.1573266728.
The spelling of 2056005 in words is "two million, fifty-six thousand, five".
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