Base | Representation |
---|---|
bin | 10110101100001… |
… | …000001000101011 |
3 | 222112021212010222 |
4 | 112230020020223 |
5 | 1234422311121 |
6 | 101435000255 |
7 | 12301416416 |
oct | 2654101053 |
9 | 875255128 |
10 | 380666411 |
11 | 185970344 |
12 | a759908b |
13 | 60b325c8 |
14 | 387b0b7d |
15 | 236450ab |
hex | 16b0822b |
380666411 has 4 divisors (see below), whose sum is σ = 380714112. Its totient is φ = 380618712.
The previous prime is 380666389. The next prime is 380666423. The reversal of 380666411 is 114666083.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 380666411 - 26 = 380666347 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (380666911) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8651 + ... + 28916.
It is an arithmetic number, because the mean of its divisors is an integer number (95178528).
Almost surely, 2380666411 is an apocalyptic number.
380666411 is a deficient number, since it is larger than the sum of its proper divisors (47701).
380666411 is a wasteful number, since it uses less digits than its factorization.
380666411 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47700.
The product of its (nonzero) digits is 20736, while the sum is 35.
The square root of 380666411 is about 19510.6742835813. The cubic root of 380666411 is about 724.7388110282.
The spelling of 380666411 in words is "three hundred eighty million, six hundred sixty-six thousand, four hundred eleven".
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