Base | Representation |
---|---|
bin | 111100100101110101100 |
3 | 10201212112021 |
4 | 13210232230 |
5 | 1002013302 |
6 | 110315524 |
7 | 22606330 |
oct | 7445654 |
9 | 3655467 |
10 | 1985452 |
11 | 1136777 |
12 | 7b8ba4 |
13 | 546931 |
14 | 3997c0 |
15 | 293437 |
hex | 1e4bac |
1985452 has 24 divisors (see below), whose sum is σ = 4144896. Its totient is φ = 813648.
The previous prime is 1985441. The next prime is 1985453. The reversal of 1985452 is 2545891.
It is a plaindrome in base 11.
It is not an unprimeable number, because it can be changed into a prime (1985453) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898 + ... + 2185.
It is an arithmetic number, because the mean of its divisors is an integer number (172704).
21985452 is an apocalyptic number.
It is an amenable number.
1985452 is an abundant number, since it is smaller than the sum of its proper divisors (2159444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1985452 is a wasteful number, since it uses less digits than its factorization.
1985452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3117 (or 3115 counting only the distinct ones).
The product of its digits is 14400, while the sum is 34.
The square root of 1985452 is about 1409.0606800277. The cubic root of 1985452 is about 125.6858724157.
The spelling of 1985452 in words is "one million, nine hundred eighty-five thousand, four hundred fifty-two".
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