Base | Representation |
---|---|
bin | 1000100101100… |
… | …00111010111100 |
3 | 12000112101121122 |
4 | 10102300322330 |
5 | 121414342321 |
6 | 11051450112 |
7 | 1533140456 |
oct | 422607274 |
9 | 160471548 |
10 | 72027836 |
11 | 37726641 |
12 | 20156938 |
13 | 11bcb82a |
14 | 97cd2d6 |
15 | 64cb8ab |
hex | 44b0ebc |
72027836 has 12 divisors (see below), whose sum is σ = 126110712. Its totient is φ = 35996208.
The previous prime is 72027833. The next prime is 72027853. The reversal of 72027836 is 63872027.
It is a junction number, because it is equal to n+sod(n) for n = 72027796 and 72027805.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72027833) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9806 + ... + 15498.
It is an arithmetic number, because the mean of its divisors is an integer number (10509226).
Almost surely, 272027836 is an apocalyptic number.
It is an amenable number.
72027836 is a deficient number, since it is larger than the sum of its proper divisors (54082876).
72027836 is a wasteful number, since it uses less digits than its factorization.
72027836 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8860 (or 8858 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 35.
The square root of 72027836 is about 8486.9214677644. The cubic root of 72027836 is about 416.0703699374.
The spelling of 72027836 in words is "seventy-two million, twenty-seven thousand, eight hundred thirty-six".
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