Base | Representation |
---|---|
bin | 1000100111011… |
… | …11000000001101 |
3 | 12001000022102202 |
4 | 10103233000031 |
5 | 122001012000 |
6 | 11101131245 |
7 | 1535250026 |
oct | 423570015 |
9 | 161008382 |
10 | 72282125 |
11 | 3788a6a3 |
12 | 20259b25 |
13 | 11c8a4b6 |
14 | 9857c4d |
15 | 652bdd5 |
hex | 44ef00d |
72282125 has 16 divisors (see below), whose sum is σ = 90532416. Its totient is φ = 57618000.
The previous prime is 72282121. The next prime is 72282143. The reversal of 72282125 is 52128227.
It is not a de Polignac number, because 72282125 - 22 = 72282121 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72282121) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40502 + ... + 42248.
It is an arithmetic number, because the mean of its divisors is an integer number (5658276).
Almost surely, 272282125 is an apocalyptic number.
It is an amenable number.
72282125 is a deficient number, since it is larger than the sum of its proper divisors (18250291).
72282125 is a wasteful number, since it uses less digits than its factorization.
72282125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2093 (or 2083 counting only the distinct ones).
The product of its digits is 4480, while the sum is 29.
The square root of 72282125 is about 8501.8894958709. The cubic root of 72282125 is about 416.5594301810.
The spelling of 72282125 in words is "seventy-two million, two hundred eighty-two thousand, one hundred twenty-five".
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