Base | Representation |
---|---|
bin | 1000100111010… |
… | …01110001010000 |
3 | 12000222020000210 |
4 | 10103221301100 |
5 | 121444320223 |
6 | 11100444120 |
7 | 1535130363 |
oct | 423516120 |
9 | 160866023 |
10 | 72260688 |
11 | 37875585 |
12 | 20249640 |
13 | 11c80806 |
14 | 98500da |
15 | 6525893 |
hex | 44e9c50 |
72260688 has 20 divisors (see below), whose sum is σ = 186673568. Its totient is φ = 24086880.
The previous prime is 72260651. The next prime is 72260719. The reversal of 72260688 is 88606227.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 752668 + ... + 752763.
Almost surely, 272260688 is an apocalyptic number.
It is an amenable number.
72260688 is an abundant number, since it is smaller than the sum of its proper divisors (114412880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72260688 is a wasteful number, since it uses less digits than its factorization.
72260688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1505442 (or 1505436 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 39.
The square root of 72260688 is about 8500.6286826328. The cubic root of 72260688 is about 416.5182458751.
The spelling of 72260688 in words is "seventy-two million, two hundred sixty thousand, six hundred eighty-eight".
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