Base | Representation |
---|---|
bin | 1011100111001… |
… | …11001100001011 |
3 | 20210022020120001 |
4 | 11303213030023 |
5 | 144414302242 |
6 | 13355543431 |
7 | 2262010336 |
oct | 563471413 |
9 | 223266501 |
10 | 97415947 |
11 | 4aa97052 |
12 | 2875ab77 |
13 | 1724a595 |
14 | cd1b61d |
15 | 8843eb7 |
hex | 5ce730b |
97415947 has 2 divisors, whose sum is σ = 97415948. Its totient is φ = 97415946.
The previous prime is 97415897. The next prime is 97415951. The reversal of 97415947 is 74951479.
It is a strong prime.
It is an emirp because it is prime and its reverse (74951479) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 97415947 - 223 = 89027339 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 97415897 and 97415906.
It is not a weakly prime, because it can be changed into another prime (97415977) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48707973 + 48707974.
It is an arithmetic number, because the mean of its divisors is an integer number (48707974).
Almost surely, 297415947 is an apocalyptic number.
97415947 is a deficient number, since it is larger than the sum of its proper divisors (1).
97415947 is an equidigital number, since it uses as much as digits as its factorization.
97415947 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 317520, while the sum is 46.
The square root of 97415947 is about 9869.9517222730. The cubic root of 97415947 is about 460.1259059890.
The spelling of 97415947 in words is "ninety-seven million, four hundred fifteen thousand, nine hundred forty-seven".
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