Base | Representation |
---|---|
bin | 10110101010000… |
… | …000101001010111 |
3 | 222111020122212202 |
4 | 112222000221113 |
5 | 1234302031242 |
6 | 101415035115 |
7 | 12263615432 |
oct | 2652005127 |
9 | 874218782 |
10 | 380111447 |
11 | 1856213a1 |
12 | a736ba9b |
13 | 60999b21 |
14 | 386a8819 |
15 | 23585932 |
hex | 16a80a57 |
380111447 has 2 divisors, whose sum is σ = 380111448. Its totient is φ = 380111446.
The previous prime is 380111411. The next prime is 380111461. The reversal of 380111447 is 744111083.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 380111447 - 26 = 380111383 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (380111477) by changing a digit.
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 as a sum of consecutive naturals, namely, 190055723 + 190055724.
It is an arithmetic number, because the mean of its divisors is an integer number (190055724).
Almost surely, 2380111447 is an apocalyptic number.
380111447 is a deficient number, since it is larger than the sum of its proper divisors (1).
380111447 is an equidigital number, since it uses as much as digits as its factorization.
380111447 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2688, while the sum is 29.
The square root of 380111447 is about 19496.4470352934. The cubic root of 380111447 is about 724.3864469015.
The spelling of 380111447 in words is "three hundred eighty million, one hundred eleven thousand, four hundred forty-seven".
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