Base | Representation |
---|---|
bin | 100101001110100111000 |
3 | 2021222101100 |
4 | 10221310320 |
5 | 303014041 |
6 | 42051400 |
7 | 13240356 |
oct | 4516470 |
9 | 2258340 |
10 | 1219896 |
11 | 763587 |
12 | 4a9b60 |
13 | 339342 |
14 | 23a7d6 |
15 | 1916b6 |
hex | 129d38 |
1219896 has 24 divisors (see below), whose sum is σ = 3304080. Its totient is φ = 406608.
The previous prime is 1219891. The next prime is 1219909. The reversal of 1219896 is 6989121.
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 1219896.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1219891) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8400 + ... + 8543.
It is an arithmetic number, because the mean of its divisors is an integer number (137670).
21219896 is an apocalyptic number.
It is an amenable number.
1219896 is an abundant number, since it is smaller than the sum of its proper divisors (2084184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1219896 is a wasteful number, since it uses less digits than its factorization.
1219896 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16955 (or 16948 counting only the distinct ones).
The product of its digits is 7776, while the sum is 36.
The square root of 1219896 is about 1104.4890221274. The cubic root of 1219896 is about 106.8499366693.
The spelling of 1219896 in words is "one million, two hundred nineteen thousand, eight hundred ninety-six".
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