Base | Representation |
---|---|
bin | 101100010000011… |
… | …110110101010001 |
3 | 1220202011211100021 |
4 | 230100132311101 |
5 | 3010041034342 |
6 | 201402423441 |
7 | 24254204536 |
oct | 5420366521 |
9 | 1822154307 |
10 | 742518097 |
11 | 35114a922 |
12 | 188801b81 |
13 | baaa8129 |
14 | 70884d8d |
15 | 452c0567 |
hex | 2c41ed51 |
742518097 has 2 divisors, whose sum is σ = 742518098. Its totient is φ = 742518096.
The previous prime is 742518089. The next prime is 742518149. The reversal of 742518097 is 790815247.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 583657281 + 158860816 = 24159^2 + 12604^2 .
It is a cyclic number.
It is not a de Polignac number, because 742518097 - 23 = 742518089 is a prime.
It is not a weakly prime, because it can be changed into another prime (742518397) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371259048 + 371259049.
It is an arithmetic number, because the mean of its divisors is an integer number (371259049).
Almost surely, 2742518097 is an apocalyptic number.
It is an amenable number.
742518097 is a deficient number, since it is larger than the sum of its proper divisors (1).
742518097 is an equidigital number, since it uses as much as digits as its factorization.
742518097 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 141120, while the sum is 43.
The square root of 742518097 is about 27249.1852538750. The cubic root of 742518097 is about 905.5289672386.
The spelling of 742518097 in words is "seven hundred forty-two million, five hundred eighteen thousand, ninety-seven".
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