Base | Representation |
---|---|
bin | 100101101010… |
… | …0100100101100 |
3 | 1101011011010211 |
4 | 1023110210230 |
5 | 20023320233 |
6 | 1543112204 |
7 | 326554540 |
oct | 113244454 |
9 | 41134124 |
10 | 19745068 |
11 | 10166842 |
12 | 6742664 |
13 | 4124395 |
14 | 289da20 |
15 | 1b005cd |
hex | 12d492c |
19745068 has 12 divisors (see below), whose sum is σ = 39490192. Its totient is φ = 8462160.
The previous prime is 19745051. The next prime is 19745069. The reversal of 19745068 is 86054791.
19745068 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 19745068.
It is not an unprimeable number, because it can be changed into a prime (19745069) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352563 + ... + 352618.
Almost surely, 219745068 is an apocalyptic number.
It is an amenable number.
19745068 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19745068 is a wasteful number, since it uses less digits than its factorization.
19745068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 705192 (or 705190 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 40.
The square root of 19745068 is about 4443.5422806585. The cubic root of 19745068 is about 270.2835065053.
The spelling of 19745068 in words is "nineteen million, seven hundred forty-five thousand, sixty-eight".
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