Base | Representation |
---|---|
bin | 111100110011000000011 |
3 | 10202012210000 |
4 | 13212120003 |
5 | 1002222240 |
6 | 110411043 |
7 | 22635102 |
oct | 7463003 |
9 | 3665700 |
10 | 1992195 |
11 | 1140847 |
12 | 800a83 |
13 | 549a1a |
14 | 39c039 |
15 | 295430 |
hex | 1e6603 |
1992195 has 20 divisors (see below), whose sum is σ = 3571920. Its totient is φ = 1062288.
The previous prime is 1992181. The next prime is 1992197. The reversal of 1992195 is 5912991.
It is not a de Polignac number, because 1992195 - 25 = 1992163 is a prime.
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 19 ways as a sum of consecutive naturals, for example, 2055 + ... + 2864.
It is an arithmetic number, because the mean of its divisors is an integer number (178596).
21992195 is an apocalyptic number.
1992195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1992195 is a deficient number, since it is larger than the sum of its proper divisors (1579725).
1992195 is an equidigital number, since it uses as much as digits as its factorization.
1992195 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4936 (or 4927 counting only the distinct ones).
The product of its digits is 7290, while the sum is 36.
The square root of 1992195 is about 1411.4513806717. The cubic root of 1992195 is about 125.8279965964.
It can be divided in two parts, 1992 and 195, that added together give a 7-th power (2187 = 37).
The spelling of 1992195 in words is "one million, nine hundred ninety-two thousand, one hundred ninety-five".
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