Base | Representation |
---|---|
bin | 1000101010000… |
… | …10110001011011 |
3 | 12001122202002211 |
4 | 10111002301123 |
5 | 122043001433 |
6 | 11112335551 |
7 | 1541206255 |
oct | 425026133 |
9 | 161582084 |
10 | 72625243 |
11 | 37aa4469 |
12 | 203a45b7 |
13 | 1207a722 |
14 | 9906cd5 |
15 | 65988cd |
hex | 4542c5b |
72625243 has 2 divisors, whose sum is σ = 72625244. Its totient is φ = 72625242.
The previous prime is 72625187. The next prime is 72625279. The reversal of 72625243 is 34252627.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-72625243 is a prime.
It is not a weakly prime, because it can be changed into another prime (72625843) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36312621 + 36312622.
It is an arithmetic number, because the mean of its divisors is an integer number (36312622).
Almost surely, 272625243 is an apocalyptic number.
72625243 is a deficient number, since it is larger than the sum of its proper divisors (1).
72625243 is an equidigital number, since it uses as much as digits as its factorization.
72625243 is an evil number, because the sum of its binary digits is even.
The product of its digits is 20160, while the sum is 31.
The square root of 72625243 is about 8522.0445316837. The cubic root of 72625243 is about 417.2175157735.
The spelling of 72625243 in words is "seventy-two million, six hundred twenty-five thousand, two hundred forty-three".
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