Base | Representation |
---|---|
bin | 100101111100… |
… | …0011101010000 |
3 | 1101102121202112 |
4 | 1023320131100 |
5 | 20043021143 |
6 | 1550204452 |
7 | 331036211 |
oct | 113703520 |
9 | 41377675 |
10 | 19892048 |
11 | 10257210 |
12 | 67b3728 |
13 | 4176257 |
14 | 28db408 |
15 | 1b2de18 |
hex | 12f8750 |
19892048 has 20 divisors (see below), whose sum is σ = 42044928. Its totient is φ = 9041760.
The previous prime is 19892021. The next prime is 19892053. The reversal of 19892048 is 84029891.
It is a junction number, because it is equal to n+sod(n) for n = 19891996 and 19892014.
It is a congruent number.
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, 56336 + ... + 56687.
Almost surely, 219892048 is an apocalyptic number.
It is an amenable number.
19892048 is an abundant number, since it is smaller than the sum of its proper divisors (22152880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19892048 is a wasteful number, since it uses less digits than its factorization.
19892048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113042 (or 113036 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 41.
The square root of 19892048 is about 4460.0502239325. The cubic root of 19892048 is about 270.9525023078.
The spelling of 19892048 in words is "nineteen million, eight hundred ninety-two thousand, forty-eight".
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