Base | Representation |
---|---|
bin | 111000011011100… |
… | …0100011000100100 |
3 | 11212221220221211120 |
4 | 1300313010120210 |
5 | 12334212442233 |
6 | 511515533540 |
7 | 64631230500 |
oct | 16067043044 |
9 | 4787827746 |
10 | 1893484068 |
11 | 891905673 |
12 | 44a15a2b0 |
13 | 242391a98 |
14 | 13d68d300 |
15 | b13724b3 |
hex | 70dc4624 |
1893484068 has 36 divisors (see below), whose sum is σ = 5139458352. Its totient is φ = 540995280.
The previous prime is 1893484051. The next prime is 1893484069. The reversal of 1893484068 is 8604843981.
It is a self number, because there is not a number n which added to its sum of digits gives 1893484068.
It is not an unprimeable number, because it can be changed into a prime (1893484069) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1609518 + ... + 1610693.
It is an arithmetic number, because the mean of its divisors is an integer number (142762732).
Almost surely, 21893484068 is an apocalyptic number.
It is an amenable number.
1893484068 is an abundant number, since it is smaller than the sum of its proper divisors (3245974284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1893484068 is a wasteful number, since it uses less digits than its factorization.
1893484068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3220232 (or 3220223 counting only the distinct ones).
The product of its (nonzero) digits is 1327104, while the sum is 51.
The square root of 1893484068 is about 43514.1823777030. The cubic root of 1893484068 is about 1237.1448504782.
The spelling of 1893484068 in words is "one billion, eight hundred ninety-three million, four hundred eighty-four thousand, sixty-eight".
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