Base | Representation |
---|---|
bin | 10110101101010… |
… | …101110001100100 |
3 | 222112220000101002 |
4 | 112231111301210 |
5 | 1240013000140 |
6 | 101445452432 |
7 | 12304212515 |
oct | 2655256144 |
9 | 875800332 |
10 | 380984420 |
11 | 186068263 |
12 | a7711118 |
13 | 60c1428b |
14 | 38854a0c |
15 | 236a9415 |
hex | 16b55c64 |
380984420 has 48 divisors (see below), whose sum is σ = 861815808. Its totient is φ = 141060480.
The previous prime is 380984411. The next prime is 380984441. The reversal of 380984420 is 24489083.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 902 + ... + 27618.
It is an arithmetic number, because the mean of its divisors is an integer number (17954496).
Almost surely, 2380984420 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 380984420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430907904).
380984420 is an abundant number, since it is smaller than the sum of its proper divisors (480831388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380984420 is a wasteful number, since it uses less digits than its factorization.
380984420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26780 (or 26778 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 38.
The square root of 380984420 is about 19518.8221980733. The cubic root of 380984420 is about 724.9405706340.
The spelling of 380984420 in words is "three hundred eighty million, nine hundred eighty-four thousand, four hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •