Base | Representation |
---|---|
bin | 1101100101000100… |
… | …10001101100111001 |
3 | 200211001222110121101 |
4 | 12302202101230321 |
5 | 104412304002040 |
6 | 3203224211401 |
7 | 345442334425 |
oct | 66242215471 |
9 | 20731873541 |
10 | 7290297145 |
11 | 310120116a |
12 | 14b5609b61 |
13 | 8c24b74c1 |
14 | 4d2325b85 |
15 | 2ca05d09a |
hex | 1b2891b39 |
7290297145 has 8 divisors (see below), whose sum is σ = 8794160640. Its totient is φ = 5801701680.
The previous prime is 7290297127. The next prime is 7290297149. The reversal of 7290297145 is 5417920927.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 7290297145 - 213 = 7290288953 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 7290297095 and 7290297104.
It is not an unprimeable number, because it can be changed into a prime (7290297149) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3815955 + ... + 3817864.
It is an arithmetic number, because the mean of its divisors is an integer number (1099270080).
Almost surely, 27290297145 is an apocalyptic number.
It is an amenable number.
7290297145 is a deficient number, since it is larger than the sum of its proper divisors (1503863495).
7290297145 is a wasteful number, since it uses less digits than its factorization.
7290297145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7634015.
The product of its (nonzero) digits is 317520, while the sum is 46.
The square root of 7290297145 is about 85383.2369086579. The cubic root of 7290297145 is about 1939.0175655060.
The spelling of 7290297145 in words is "seven billion, two hundred ninety million, two hundred ninety-seven thousand, one hundred forty-five".
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