Base | Representation |
---|---|
bin | 1000101010110… |
… | …00011101010111 |
3 | 12001211020221202 |
4 | 10111120131113 |
5 | 122103322241 |
6 | 11114303115 |
7 | 1542026243 |
oct | 425303527 |
9 | 161736852 |
10 | 72714071 |
11 | 38055181 |
12 | 20427a9b |
13 | 120abca1 |
14 | 992b423 |
15 | 65b4d9b |
hex | 4558757 |
72714071 has 2 divisors, whose sum is σ = 72714072. Its totient is φ = 72714070.
The previous prime is 72714043. The next prime is 72714091. The reversal of 72714071 is 17041727.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-72714071 is a prime.
It is a super-2 number, since 2×727140712 = 10574672242786082, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (72714091) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36357035 + 36357036.
It is an arithmetic number, because the mean of its divisors is an integer number (36357036).
Almost surely, 272714071 is an apocalyptic number.
72714071 is a deficient number, since it is larger than the sum of its proper divisors (1).
72714071 is an equidigital number, since it uses as much as digits as its factorization.
72714071 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2744, while the sum is 29.
The square root of 72714071 is about 8527.2545992248. The cubic root of 72714071 is about 417.3875461771.
Adding to 72714071 its reverse (17041727), we get a palindrome (89755798).
The spelling of 72714071 in words is "seventy-two million, seven hundred fourteen thousand, seventy-one".
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