Base | Representation |
---|---|
bin | 111100100101101000010 |
3 | 10201212101100 |
4 | 13210231002 |
5 | 1002012341 |
6 | 110315230 |
7 | 22606116 |
oct | 7445502 |
9 | 3655340 |
10 | 1985346 |
11 | 1136690 |
12 | 7b8b16 |
13 | 54687c |
14 | 399746 |
15 | 2933b6 |
hex | 1e4b42 |
1985346 has 48 divisors (see below), whose sum is σ = 4837248. Its totient is φ = 583200.
The previous prime is 1985317. The next prime is 1985363. The reversal of 1985346 is 6435891.
Its product of digits (25920) is a multiple of the sum of its prime divisors (324).
It is a self number, because there is not a number n which added to its sum of digits gives 1985346.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7191 + ... + 7461.
It is an arithmetic number, because the mean of its divisors is an integer number (100776).
21985346 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1985346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2418624).
1985346 is an abundant number, since it is smaller than the sum of its proper divisors (2851902).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1985346 is a wasteful number, since it uses less digits than its factorization.
1985346 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 327 (or 324 counting only the distinct ones).
The product of its digits is 25920, while the sum is 36.
The square root of 1985346 is about 1409.0230658155. The cubic root of 1985346 is about 125.6836356556.
The spelling of 1985346 in words is "one million, nine hundred eighty-five thousand, three hundred forty-six".
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