Base | Representation |
---|---|
bin | 10110101111001000101 |
3 | 1101211222200 |
4 | 2311321011 |
5 | 142320104 |
6 | 23545113 |
7 | 6222045 |
oct | 2657105 |
9 | 1354880 |
10 | 745029 |
11 | 46982a |
12 | 2bb199 |
13 | 20115c |
14 | 155725 |
15 | eab39 |
hex | b5e45 |
745029 has 6 divisors (see below), whose sum is σ = 1076166. Its totient is φ = 496680.
The previous prime is 745027. The next prime is 745033. The reversal of 745029 is 920547.
It can be written as a sum of positive squares in only one way, i.e., 497025 + 248004 = 705^2 + 498^2 .
It is not a de Polignac number, because 745029 - 21 = 745027 is a prime.
It is a Curzon number.
745029 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 744993 and 745011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (745027) 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 5 ways as a sum of consecutive naturals, for example, 41382 + ... + 41399.
It is an arithmetic number, because the mean of its divisors is an integer number (179361).
2745029 is an apocalyptic number.
It is an amenable number.
745029 is a deficient number, since it is larger than the sum of its proper divisors (331137).
745029 is a wasteful number, since it uses less digits than its factorization.
745029 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82787 (or 82784 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 27.
The square root of 745029 is about 863.1506241671. The cubic root of 745029 is about 90.6548532643.
The spelling of 745029 in words is "seven hundred forty-five thousand, twenty-nine".
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