Base | Representation |
---|---|
bin | 10110101111101… |
… | …010101101011101 |
3 | 222121001000012012 |
4 | 112233222231131 |
5 | 1240142010321 |
6 | 101510521005 |
7 | 12312333203 |
oct | 2657525535 |
9 | 877030165 |
10 | 381594461 |
11 | 186444626 |
12 | a7966165 |
13 | 61098b51 |
14 | 38973073 |
15 | 2377a05b |
hex | 16beab5d |
381594461 has 8 divisors (see below), whose sum is σ = 425306880. Its totient is φ = 340244928.
The previous prime is 381594443. The next prime is 381594481. The reversal of 381594461 is 164495183.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 381594461 - 226 = 314485597 is a prime.
It is a super-2 number, since 2×3815944612 = 291228665331761042, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (381594481) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590381 + ... + 591026.
It is an arithmetic number, because the mean of its divisors is an integer number (53163360).
Almost surely, 2381594461 is an apocalyptic number.
It is an amenable number.
381594461 is a deficient number, since it is larger than the sum of its proper divisors (43712419).
381594461 is a wasteful number, since it uses less digits than its factorization.
381594461 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1181443.
The product of its digits is 103680, while the sum is 41.
The square root of 381594461 is about 19534.4429406113. The cubic root of 381594461 is about 725.3272947918.
The spelling of 381594461 in words is "three hundred eighty-one million, five hundred ninety-four thousand, four hundred sixty-one".
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