Base | Representation |
---|---|
bin | 10110101111110… |
… | …010001111000011 |
3 | 222121002120110202 |
4 | 112233302033003 |
5 | 1240144002113 |
6 | 101511315415 |
7 | 12312522104 |
oct | 2657621703 |
9 | 877076422 |
10 | 381625283 |
11 | 1864657a6 |
12 | a797bb6b |
13 | 610a9ba0 |
14 | 389803ab |
15 | 23784258 |
hex | 16bf23c3 |
381625283 has 8 divisors (see below), whose sum is σ = 424238976. Its totient is φ = 340905600.
The previous prime is 381625271. The next prime is 381625291. The reversal of 381625283 is 382526183.
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 381625283 - 24 = 381625267 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (381625243) 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, 473078 + ... + 473883.
It is an arithmetic number, because the mean of its divisors is an integer number (53029872).
Almost surely, 2381625283 is an apocalyptic number.
381625283 is a deficient number, since it is larger than the sum of its proper divisors (42613693).
381625283 is a wasteful number, since it uses less digits than its factorization.
381625283 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 947005.
The product of its digits is 69120, while the sum is 38.
The square root of 381625283 is about 19535.2318389109. The cubic root of 381625283 is about 725.3468228845.
The spelling of 381625283 in words is "three hundred eighty-one million, six hundred twenty-five thousand, two hundred eighty-three".
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