Base | Representation |
---|---|
bin | 111001011000010101001 |
3 | 10112112012021 |
4 | 13023002221 |
5 | 440131413 |
6 | 104144441 |
7 | 21660505 |
oct | 7130251 |
9 | 3475167 |
10 | 1880233 |
11 | 1074713 |
12 | 768121 |
13 | 50aa84 |
14 | 36d305 |
15 | 27218d |
hex | 1cb0a9 |
1880233 has 2 divisors, whose sum is σ = 1880234. Its totient is φ = 1880232.
The previous prime is 1880209. The next prime is 1880257. The reversal of 1880233 is 3320881.
It is a balanced prime because it is at equal distance from previous prime (1880209) and next prime (1880257).
It can be written as a sum of positive squares in only one way, i.e., 1194649 + 685584 = 1093^2 + 828^2 .
It is an emirp because it is prime and its reverse (3320881) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1880233 - 25 = 1880201 is a prime.
It is a super-2 number, since 2×18802332 = 7070552268578, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1880198 and 1880207.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1880633) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 940116 + 940117.
It is an arithmetic number, because the mean of its divisors is an integer number (940117).
21880233 is an apocalyptic number.
It is an amenable number.
1880233 is a deficient number, since it is larger than the sum of its proper divisors (1).
1880233 is an equidigital number, since it uses as much as digits as its factorization.
1880233 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1152, while the sum is 25.
The square root of 1880233 is about 1371.2158838053. The cubic root of 1880233 is about 123.4252143837.
The spelling of 1880233 in words is "one million, eight hundred eighty thousand, two hundred thirty-three".
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