Base | Representation |
---|---|
bin | 1000010111111… |
… | …01110101001001 |
3 | 11220011211222210 |
4 | 10023331311021 |
5 | 120440330310 |
6 | 10545335333 |
7 | 1512035655 |
oct | 413756511 |
9 | 156154883 |
10 | 70245705 |
11 | 36719702 |
12 | 1b637549 |
13 | 1172660a |
14 | 9487a65 |
15 | 6278820 |
hex | 42fdd49 |
70245705 has 8 divisors (see below), whose sum is σ = 112393152. Its totient is φ = 37464368.
The previous prime is 70245701. The next prime is 70245731. The reversal of 70245705 is 50754207.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 70245705 - 22 = 70245701 is a prime.
It is not an unprimeable number, because it can be changed into a prime (70245701) 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, 2341509 + ... + 2341538.
It is an arithmetic number, because the mean of its divisors is an integer number (14049144).
Almost surely, 270245705 is an apocalyptic number.
It is an amenable number.
70245705 is a deficient number, since it is larger than the sum of its proper divisors (42147447).
70245705 is a wasteful number, since it uses less digits than its factorization.
70245705 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4683055.
The product of its (nonzero) digits is 9800, while the sum is 30.
The square root of 70245705 is about 8381.2710849847. The cubic root of 70245705 is about 412.6101670854.
The spelling of 70245705 in words is "seventy million, two hundred forty-five thousand, seven hundred five".
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