Base | Representation |
---|---|
bin | 1000100101101… |
… | …00101000010011 |
3 | 12000120011110021 |
4 | 10102310220103 |
5 | 121420334102 |
6 | 11052044311 |
7 | 1533232660 |
oct | 422645023 |
9 | 160504407 |
10 | 72043027 |
11 | 37736aa1 |
12 | 20163697 |
13 | 11c05714 |
14 | 97d4a67 |
15 | 64d1137 |
hex | 44b4a13 |
72043027 has 16 divisors (see below), whose sum is σ = 84736512. Its totient is φ = 59964480.
The previous prime is 72043001. The next prime is 72043031. The reversal of 72043027 is 72034027.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-72043027 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 72042992 and 72043010.
It is not an unprimeable number, because it can be changed into a prime (72043067) 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 15 ways as a sum of consecutive naturals, for example, 80778 + ... + 81664.
It is an arithmetic number, because the mean of its divisors is an integer number (5296032).
Almost surely, 272043027 is an apocalyptic number.
72043027 is a deficient number, since it is larger than the sum of its proper divisors (12693485).
72043027 is a wasteful number, since it uses less digits than its factorization.
72043027 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1218.
The product of its (nonzero) digits is 2352, while the sum is 25.
The square root of 72043027 is about 8487.8163858557. The cubic root of 72043027 is about 416.0996182625.
The spelling of 72043027 in words is "seventy-two million, forty-three thousand, twenty-seven".
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