Base | Representation |
---|---|
bin | 111100110011000000000 |
3 | 10202012202220 |
4 | 13212120000 |
5 | 1002222232 |
6 | 110411040 |
7 | 22635066 |
oct | 7463000 |
9 | 3665686 |
10 | 1992192 |
11 | 1140844 |
12 | 800a80 |
13 | 549a17 |
14 | 39c036 |
15 | 29542c |
hex | 1e6600 |
1992192 has 40 divisors (see below), whose sum is σ = 5311416. Its totient is φ = 663552.
The previous prime is 1992181. The next prime is 1992197. The reversal of 1992192 is 2912991.
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 (1992197) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888 + ... + 2184.
21992192 is an apocalyptic number.
1992192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1992192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2655708).
1992192 is an abundant number, since it is smaller than the sum of its proper divisors (3319224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1992192 is an equidigital number, since it uses as much as digits as its factorization.
1992192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1318 (or 1302 counting only the distinct ones).
The product of its digits is 2916, while the sum is 33.
The square root of 1992192 is about 1411.4503179354. The cubic root of 1992192 is about 125.8279334359.
The spelling of 1992192 in words is "one million, nine hundred ninety-two thousand, one hundred ninety-two".
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