Base | Representation |
---|---|
bin | 1000101010100… |
… | …11010110000100 |
3 | 12001210012012221 |
4 | 10111103112010 |
5 | 122102134444 |
6 | 11114022124 |
7 | 1541611210 |
oct | 425232604 |
9 | 161705187 |
10 | 72693124 |
11 | 38040469 |
12 | 20417944 |
13 | 120a25aa |
14 | 9923940 |
15 | 65ada84 |
hex | 4553584 |
72693124 has 24 divisors (see below), whose sum is σ = 147560000. Its totient is φ = 30688416.
The previous prime is 72693119. The next prime is 72693163. The reversal of 72693124 is 42139627.
It is a self number, because there is not a number n which added to its sum of digits gives 72693124.
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 7 ways as a sum of consecutive naturals, for example, 17499 + ... + 21250.
Almost surely, 272693124 is an apocalyptic number.
It is an amenable number.
72693124 is an abundant number, since it is smaller than the sum of its proper divisors (74866876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72693124 is a wasteful number, since it uses less digits than its factorization.
72693124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38827 (or 38825 counting only the distinct ones).
The product of its digits is 18144, while the sum is 34.
The square root of 72693124 is about 8526.0262725375. The cubic root of 72693124 is about 417.3474628915.
The spelling of 72693124 in words is "seventy-two million, six hundred ninety-three thousand, one hundred twenty-four".
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