Base | Representation |
---|---|
bin | 111100111000001111000 |
3 | 10202100110011 |
4 | 13213001320 |
5 | 1002313442 |
6 | 110431304 |
7 | 22645645 |
oct | 7470170 |
9 | 3670404 |
10 | 1994872 |
11 | 1142860 |
12 | 802534 |
13 | 54acc9 |
14 | 39cdcc |
15 | 296117 |
hex | 1e7078 |
1994872 has 16 divisors (see below), whose sum is σ = 4080600. Its totient is φ = 906720.
The previous prime is 1994869. The next prime is 1994879. The reversal of 1994872 is 2784991.
1994872 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1994879) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11247 + ... + 11422.
21994872 is an apocalyptic number.
It is an amenable number.
1994872 is an abundant number, since it is smaller than the sum of its proper divisors (2085728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1994872 is a wasteful number, since it uses less digits than its factorization.
1994872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22686 (or 22682 counting only the distinct ones).
The product of its digits is 36288, while the sum is 40.
The square root of 1994872 is about 1412.3993769469. The cubic root of 1994872 is about 125.8843315742.
It can be divided in two parts, 199 and 4872, that multiplied together give a triangular number (969528 = T1392).
The spelling of 1994872 in words is "one million, nine hundred ninety-four thousand, eight hundred seventy-two".
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