Base | Representation |
---|---|
bin | 1000010110000… |
… | …11100101101011 |
3 | 11212201201202022 |
4 | 10023003211223 |
5 | 120410212042 |
6 | 10540255055 |
7 | 1510023320 |
oct | 413034553 |
9 | 155651668 |
10 | 70007147 |
11 | 36576451 |
12 | 1b54148b |
13 | 11671b62 |
14 | 9424b47 |
15 | 622ccd2 |
hex | 42c396b |
70007147 has 8 divisors (see below), whose sum is σ = 83486976. Its totient is φ = 57397032.
The previous prime is 70007141. The next prime is 70007167. The reversal of 70007147 is 74170007.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 70007147 - 214 = 69990763 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70007141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217253 + ... + 217574.
It is an arithmetic number, because the mean of its divisors is an integer number (10435872).
Almost surely, 270007147 is an apocalyptic number.
70007147 is a deficient number, since it is larger than the sum of its proper divisors (13479829).
70007147 is a wasteful number, since it uses less digits than its factorization.
70007147 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 434857.
The product of its (nonzero) digits is 1372, while the sum is 26.
The square root of 70007147 is about 8367.0273693827. The cubic root of 70007147 is about 412.1425556112.
The spelling of 70007147 in words is "seventy million, seven thousand, one hundred forty-seven".
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