Base | Representation |
---|---|
bin | 100100010101… |
… | …0101110101010 |
3 | 1022211210211211 |
4 | 1020222232222 |
5 | 14334040021 |
6 | 1520143334 |
7 | 320626366 |
oct | 110525652 |
9 | 38753754 |
10 | 19049386 |
11 | a8310a4 |
12 | 6467b4a |
13 | 3c3c835 |
14 | 275c2a6 |
15 | 1a143e1 |
hex | 122abaa |
19049386 has 8 divisors (see below), whose sum is σ = 28700640. Its totient is φ = 9482508.
The previous prime is 19049377. The next prime is 19049399. The reversal of 19049386 is 68394091.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20526 + ... + 21433.
It is an arithmetic number, because the mean of its divisors is an integer number (3587580).
Almost surely, 219049386 is an apocalyptic number.
19049386 is a deficient number, since it is larger than the sum of its proper divisors (9651254).
19049386 is a wasteful number, since it uses less digits than its factorization.
19049386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42188.
The product of its (nonzero) digits is 46656, while the sum is 40.
The square root of 19049386 is about 4364.5602298513. The cubic root of 19049386 is about 267.0711607845.
The spelling of 19049386 in words is "nineteen million, forty-nine thousand, three hundred eighty-six".
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