Base | Representation |
---|---|
bin | 1000101100010… |
… | …00110010110010 |
3 | 12002012022112022 |
4 | 10112020302302 |
5 | 122131141200 |
6 | 11122431442 |
7 | 1543512401 |
oct | 426106262 |
9 | 162168468 |
10 | 72912050 |
11 | 3817a9a2 |
12 | 20502582 |
13 | 1214b133 |
14 | 997d638 |
15 | 6603885 |
hex | 4588cb2 |
72912050 has 24 divisors (see below), whose sum is σ = 135890112. Its totient is φ = 29106000.
The previous prime is 72912043. The next prime is 72912053. The reversal of 72912050 is 5021927.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (72912053) 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 11 ways as a sum of consecutive naturals, for example, 30395 + ... + 32705.
It is an arithmetic number, because the mean of its divisors is an integer number (5662088).
Almost surely, 272912050 is an apocalyptic number.
72912050 is a deficient number, since it is larger than the sum of its proper divisors (62978062).
72912050 is a wasteful number, since it uses less digits than its factorization.
72912050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2954 (or 2949 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 26.
The square root of 72912050 is about 8538.8553097005. The cubic root of 72912050 is about 417.7660106894.
Adding to 72912050 its reverse (5021927), we get a palindrome (77933977).
The spelling of 72912050 in words is "seventy-two million, nine hundred twelve thousand, fifty".
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