Base | Representation |
---|---|
bin | 1000101011011… |
… | …11010110101100 |
3 | 12002000000121010 |
4 | 10111233112230 |
5 | 122114322402 |
6 | 11120305220 |
7 | 1542566535 |
oct | 425572654 |
9 | 162000533 |
10 | 72807852 |
11 | 38109687 |
12 | 20472210 |
13 | 12112890 |
14 | 995368c |
15 | 65d2a6c |
hex | 456f5ac |
72807852 has 24 divisors (see below), whose sum is σ = 182953456. Its totient is φ = 22402368.
The previous prime is 72807827. The next prime is 72807853. The reversal of 72807852 is 25870827.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a self number, because there is not a number n which added to its sum of digits gives 72807852.
It is not an unprimeable number, because it can be changed into a prime (72807853) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233203 + ... + 233514.
Almost surely, 272807852 is an apocalyptic number.
It is an amenable number.
72807852 is an abundant number, since it is smaller than the sum of its proper divisors (110145604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72807852 is a wasteful number, since it uses less digits than its factorization.
72807852 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 466737 (or 466735 counting only the distinct ones).
The product of its (nonzero) digits is 62720, while the sum is 39.
The square root of 72807852 is about 8532.7517249713. The cubic root of 72807852 is about 417.5669071778.
The spelling of 72807852 in words is "seventy-two million, eight hundred seven thousand, eight hundred fifty-two".
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