Base | Representation |
---|---|
bin | 100101001101000010000 |
3 | 2021221021102 |
4 | 10221220100 |
5 | 303002323 |
6 | 42043532 |
7 | 13235123 |
oct | 4515020 |
9 | 2257242 |
10 | 1219088 |
11 | 762a12 |
12 | 4a95a8 |
13 | 338b70 |
14 | 23a3ba |
15 | 191328 |
hex | 129a10 |
1219088 has 20 divisors (see below), whose sum is σ = 2544108. Its totient is φ = 562560.
The previous prime is 1219081. The next prime is 1219091. The reversal of 1219088 is 8809121.
It can be written as a sum of positive squares in 2 ways, for example, as 350464 + 868624 = 592^2 + 932^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 1219088.
It is not an unprimeable number, because it can be changed into a prime (1219081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2723 + ... + 3138.
21219088 is an apocalyptic number.
It is an amenable number.
1219088 is an abundant number, since it is smaller than the sum of its proper divisors (1325020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1219088 is a wasteful number, since it uses less digits than its factorization.
1219088 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5882 (or 5876 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 29.
The square root of 1219088 is about 1104.1231815337. The cubic root of 1219088 is about 106.8263407187.
The spelling of 1219088 in words is "one million, two hundred nineteen thousand, eighty-eight".
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