Base | Representation |
---|---|
bin | 1010011110010001101010 |
3 | 12011111001100 |
4 | 22132101222 |
5 | 1200323300 |
6 | 134502230 |
7 | 32223141 |
oct | 12362152 |
9 | 5144040 |
10 | 2745450 |
11 | 1605774 |
12 | b04976 |
13 | 751836 |
14 | 516758 |
15 | 393700 |
hex | 29e46a |
2745450 has 36 divisors (see below), whose sum is σ = 7377318. Its totient is φ = 732000.
The previous prime is 2745433. The next prime is 2745451. The reversal of 2745450 is 545472.
2745450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 3 ways, for example, as 2187441 + 558009 = 1479^2 + 747^2 .
It is an alternating number because its digits alternate between even and odd.
It is not an unprimeable number, because it can be changed into a prime (2745451) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2601 + ... + 3500.
22745450 is an apocalyptic number.
2745450 is an abundant number, since it is smaller than the sum of its proper divisors (4631868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2745450 is a wasteful number, since it uses less digits than its factorization.
2745450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6119 (or 6111 counting only the distinct ones).
The product of its (nonzero) digits is 5600, while the sum is 27.
The square root of 2745450 is about 1656.9399506319. The cubic root of 2745450 is about 140.0246555216.
The spelling of 2745450 in words is "two million, seven hundred forty-five thousand, four hundred fifty".
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