Base | Representation |
---|---|
bin | 1010011110011001111111 |
3 | 12011111210002 |
4 | 22132121333 |
5 | 1200332413 |
6 | 134504515 |
7 | 32224532 |
oct | 12363177 |
9 | 5144702 |
10 | 2745983 |
11 | 1606109 |
12 | b0513b |
13 | 751b56 |
14 | 516a19 |
15 | 393958 |
hex | 29e67f |
2745983 has 8 divisors (see below), whose sum is σ = 2822688. Its totient is φ = 2670304.
The previous prime is 2745979. The next prime is 2745989. The reversal of 2745983 is 3895472.
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 2745983 - 22 = 2745979 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2745989) 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, 10310 + ... + 10572.
It is an arithmetic number, because the mean of its divisors is an integer number (352836).
22745983 is an apocalyptic number.
2745983 is a deficient number, since it is larger than the sum of its proper divisors (76705).
2745983 is a wasteful number, since it uses less digits than its factorization.
2745983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 513.
The product of its digits is 60480, while the sum is 38.
The square root of 2745983 is about 1657.1007814855. The cubic root of 2745983 is about 140.0337163692.
The spelling of 2745983 in words is "two million, seven hundred forty-five thousand, nine hundred eighty-three".
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