Base | Representation |
---|---|
bin | 10110110000110… |
… | …000001101001110 |
3 | 222121120110200001 |
4 | 112300300031032 |
5 | 1240230112433 |
6 | 101520554514 |
7 | 12314630125 |
oct | 2660601516 |
9 | 877513601 |
10 | 381879118 |
11 | 186619485 |
12 | a7a82a3a |
13 | 6116859a |
14 | 38a08abc |
15 | 237d457d |
hex | 16c3034e |
381879118 has 8 divisors (see below), whose sum is σ = 572921712. Its totient is φ = 190905216.
The previous prime is 381879101. The next prime is 381879131. The reversal of 381879118 is 811978183.
381879118 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271 + ... + 27637.
It is an arithmetic number, because the mean of its divisors is an integer number (71615214).
Almost surely, 2381879118 is an apocalyptic number.
381879118 is a deficient number, since it is larger than the sum of its proper divisors (191042594).
381879118 is a wasteful number, since it uses less digits than its factorization.
381879118 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34346.
The product of its digits is 96768, while the sum is 46.
The square root of 381879118 is about 19541.7276104238. The cubic root of 381879118 is about 725.5076067847.
The spelling of 381879118 in words is "three hundred eighty-one million, eight hundred seventy-nine thousand, one hundred eighteen".
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