Base | Representation |
---|---|
bin | 10110101110110… |
… | …010100001110011 |
3 | 222120121022112011 |
4 | 112232302201303 |
5 | 1240112124324 |
6 | 101501543351 |
7 | 12310354246 |
oct | 2656624163 |
9 | 876538464 |
10 | 381364339 |
11 | 1862a7744 |
12 | a7874b57 |
13 | 61018195 |
14 | 3891325d |
15 | 23731c94 |
hex | 16bb2873 |
381364339 has 4 divisors (see below), whose sum is σ = 381683080. Its totient is φ = 381045600.
The previous prime is 381364307. The next prime is 381364351. The reversal of 381364339 is 933463183.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 933463183 = 17 ⋅54909599.
It is a cyclic number.
It is not a de Polignac number, because 381364339 - 25 = 381364307 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (381364369) 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, 157569 + ... + 159970.
It is an arithmetic number, because the mean of its divisors is an integer number (95420770).
Almost surely, 2381364339 is an apocalyptic number.
381364339 is a deficient number, since it is larger than the sum of its proper divisors (318741).
381364339 is a wasteful number, since it uses less digits than its factorization.
381364339 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 318740.
The product of its digits is 139968, while the sum is 40.
The square root of 381364339 is about 19528.5518920375. The cubic root of 381364339 is about 725.1814616725.
The spelling of 381364339 in words is "three hundred eighty-one million, three hundred sixty-four thousand, three hundred thirty-nine".
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