Base | Representation |
---|---|
bin | 10110101010000… |
… | …111100010010110 |
3 | 222111022002121001 |
4 | 112222013202112 |
5 | 1234303432140 |
6 | 101415413514 |
7 | 12264063631 |
oct | 2652074226 |
9 | 874262531 |
10 | 380139670 |
11 | 185640619 |
12 | a738429a |
13 | 609a9921 |
14 | 386b4c18 |
15 | 2358de9a |
hex | 16a87896 |
380139670 has 16 divisors (see below), whose sum is σ = 706324608. Its totient is φ = 147150720.
The previous prime is 380139637. The next prime is 380139673. The reversal of 380139670 is 76931083.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380139673) 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, 612819 + ... + 613438.
It is an arithmetic number, because the mean of its divisors is an integer number (44145288).
Almost surely, 2380139670 is an apocalyptic number.
380139670 is a deficient number, since it is larger than the sum of its proper divisors (326184938).
380139670 is a wasteful number, since it uses less digits than its factorization.
380139670 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1226295.
The product of its (nonzero) digits is 27216, while the sum is 37.
The square root of 380139670 is about 19497.1708204037. The cubic root of 380139670 is about 724.4043748477.
The spelling of 380139670 in words is "three hundred eighty million, one hundred thirty-nine thousand, six hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •