Base | Representation |
---|---|
bin | 10110101001101… |
… | …010011110101000 |
3 | 222111002001022211 |
4 | 112221222132220 |
5 | 1234241130043 |
6 | 101413054504 |
7 | 12263056630 |
oct | 2651523650 |
9 | 874061284 |
10 | 380020648 |
11 | 18556a157 |
12 | a7327434 |
13 | 609676b7 |
14 | 386836c0 |
15 | 23568a9d |
hex | 16a6a7a8 |
380020648 has 16 divisors (see below), whose sum is σ = 814330080. Its totient is φ = 162865968.
The previous prime is 380020639. The next prime is 380020657. The reversal of 380020648 is 846020083.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (380020639) and next prime (380020657).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3392986 + ... + 3393097.
It is an arithmetic number, because the mean of its divisors is an integer number (50895630).
Almost surely, 2380020648 is an apocalyptic number.
It is an amenable number.
380020648 is an abundant number, since it is smaller than the sum of its proper divisors (434309432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380020648 is a wasteful number, since it uses less digits than its factorization.
380020648 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6786096 (or 6786092 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 31.
The square root of 380020648 is about 19494.1182924491. The cubic root of 380020648 is about 724.3287631148.
The spelling of 380020648 in words is "three hundred eighty million, twenty thousand, six hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •