Base | Representation |
---|---|
bin | 1000010110011… |
… | …01100101101101 |
3 | 11212210210221102 |
4 | 10023031211231 |
5 | 120413014414 |
6 | 10541212445 |
7 | 1510253615 |
oct | 413154555 |
9 | 155723842 |
10 | 70048109 |
11 | 365a41aa |
12 | 1b561125 |
13 | 116876b1 |
14 | 9435a45 |
15 | 6239ede |
hex | 42cd96d |
70048109 has 12 divisors (see below), whose sum is σ = 74917824. Its totient is φ = 65479104.
The previous prime is 70048093. The next prime is 70048129. The reversal of 70048109 is 90184007.
It is not a de Polignac number, because 70048109 - 24 = 70048093 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70048129) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46364 + ... + 47850.
It is an arithmetic number, because the mean of its divisors is an integer number (6243152).
Almost surely, 270048109 is an apocalyptic number.
It is an amenable number.
70048109 is a deficient number, since it is larger than the sum of its proper divisors (4869715).
70048109 is a wasteful number, since it uses less digits than its factorization.
70048109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1684 (or 1667 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 29.
The square root of 70048109 is about 8369.4748341817. The cubic root of 70048109 is about 412.2229230808. Note that the first 3 decimals are identical.
The spelling of 70048109 in words is "seventy million, forty-eight thousand, one hundred nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •