Base | Representation |
---|---|
bin | 1000100101100… |
… | …00110110011000 |
3 | 12000112101012211 |
4 | 10102300312120 |
5 | 121414340134 |
6 | 11051444504 |
7 | 1533136561 |
oct | 422606630 |
9 | 160471184 |
10 | 72027544 |
11 | 377263a6 |
12 | 20156734 |
13 | 11bcb664 |
14 | 97cd168 |
15 | 64cb764 |
hex | 44b0d98 |
72027544 has 32 divisors (see below), whose sum is σ = 137944800. Its totient is φ = 35251200.
The previous prime is 72027541. The next prime is 72027551. The reversal of 72027544 is 44572027.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72027541) 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 7 ways as a sum of consecutive naturals, for example, 77917 + ... + 78835.
It is an arithmetic number, because the mean of its divisors is an integer number (4310775).
Almost surely, 272027544 is an apocalyptic number.
It is an amenable number.
72027544 is a deficient number, since it is larger than the sum of its proper divisors (65917256).
72027544 is a wasteful number, since it uses less digits than its factorization.
72027544 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1123 (or 1119 counting only the distinct ones).
The product of its (nonzero) digits is 15680, while the sum is 31.
The square root of 72027544 is about 8486.9042648070. The cubic root of 72027544 is about 416.0698076885.
The spelling of 72027544 in words is "seventy-two million, twenty-seven thousand, five hundred forty-four".
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