Base | Representation |
---|---|
bin | 10110101100111… |
… | …100011000111101 |
3 | 222112200201202011 |
4 | 112230330120331 |
5 | 1240001133240 |
6 | 101443331221 |
7 | 12303300421 |
oct | 2654743075 |
9 | 875621664 |
10 | 380880445 |
11 | 185aa7130 |
12 | a7680b11 |
13 | 60ba8b5a |
14 | 38828b81 |
15 | 236886ea |
hex | 16b3c63d |
380880445 has 8 divisors (see below), whose sum is σ = 498607200. Its totient is φ = 277003920.
The previous prime is 380880439. The next prime is 380880449. The reversal of 380880445 is 544088083.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 380880445 - 213 = 380872253 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 380880398 and 380880407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380880449) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3462495 + ... + 3462604.
It is an arithmetic number, because the mean of its divisors is an integer number (62325900).
Almost surely, 2380880445 is an apocalyptic number.
It is an amenable number.
380880445 is a deficient number, since it is larger than the sum of its proper divisors (117726755).
380880445 is a wasteful number, since it uses less digits than its factorization.
380880445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6925115.
The product of its (nonzero) digits is 122880, while the sum is 40.
The square root of 380880445 is about 19516.1585615612. The cubic root of 380880445 is about 724.8746164463.
The spelling of 380880445 in words is "three hundred eighty million, eight hundred eighty thousand, four hundred forty-five".
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