Base | Representation |
---|---|
bin | 100101110110… |
… | …0011100100100 |
3 | 1101100010021110 |
4 | 1023230130210 |
5 | 20034432402 |
6 | 1545145020 |
7 | 330442611 |
oct | 113543444 |
9 | 41303243 |
10 | 19842852 |
11 | 10223257 |
12 | 678b170 |
13 | 4159a43 |
14 | 28c7508 |
15 | 1b1e56c |
hex | 12ec724 |
19842852 has 48 divisors (see below), whose sum is σ = 48996864. Its totient is φ = 6240000.
The previous prime is 19842833. The next prime is 19842853. The reversal of 19842852 is 25824891.
It is a self number, because there is not a number n which added to its sum of digits gives 19842852.
It is not an unprimeable number, because it can be changed into a prime (19842853) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14602 + ... + 15902.
It is an arithmetic number, because the mean of its divisors is an integer number (1020768).
Almost surely, 219842852 is an apocalyptic number.
19842852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
19842852 is an abundant number, since it is smaller than the sum of its proper divisors (29154012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19842852 is a wasteful number, since it uses less digits than its factorization.
19842852 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1380 (or 1378 counting only the distinct ones).
The product of its digits is 46080, while the sum is 39.
The square root of 19842852 is about 4454.5316252104. The cubic root of 19842852 is about 270.7289492700.
The spelling of 19842852 in words is "nineteen million, eight hundred forty-two thousand, eight hundred fifty-two".
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