Base | Representation |
---|---|
bin | 111100100001011011011 |
3 | 10201202102200 |
4 | 13210023123 |
5 | 1001430240 |
6 | 110301243 |
7 | 22566624 |
oct | 7441333 |
9 | 3652380 |
10 | 1983195 |
11 | 1135005 |
12 | 7b7823 |
13 | 5458b6 |
14 | 398a4b |
15 | 292930 |
hex | 1e42db |
1983195 has 12 divisors (see below), whose sum is σ = 3437616. Its totient is φ = 1057680.
The previous prime is 1983143. The next prime is 1983197. The reversal of 1983195 is 5913891.
It is a happy number.
It is not a de Polignac number, because 1983195 - 216 = 1917659 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1983197) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21991 + ... + 22080.
It is an arithmetic number, because the mean of its divisors is an integer number (286468).
21983195 is an apocalyptic number.
1983195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1983195 is a deficient number, since it is larger than the sum of its proper divisors (1454421).
1983195 is a wasteful number, since it uses less digits than its factorization.
1983195 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44082 (or 44079 counting only the distinct ones).
The product of its digits is 9720, while the sum is 36.
The square root of 1983195 is about 1408.2595641429. The cubic root of 1983195 is about 125.6382290962.
The spelling of 1983195 in words is "one million, nine hundred eighty-three thousand, one hundred ninety-five".
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