Base | Representation |
---|---|
bin | 111111011000… |
… | …0110111010101 |
3 | 2022112021101121 |
4 | 1332300313111 |
5 | 32001332133 |
6 | 3144123541 |
7 | 552311215 |
oct | 176606725 |
9 | 68467347 |
10 | 33230293 |
11 | 17837458 |
12 | b1665b1 |
13 | 6b663c5 |
14 | 45b0245 |
15 | 2db602d |
hex | 1fb0dd5 |
33230293 has 2 divisors, whose sum is σ = 33230294. Its totient is φ = 33230292.
The previous prime is 33230287. The next prime is 33230339. The reversal of 33230293 is 39203233.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 27436644 + 5793649 = 5238^2 + 2407^2 .
It is an emirp because it is prime and its reverse (39203233) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 33230293 - 25 = 33230261 is a prime.
It is a super-2 number, since 2×332302932 = 2208504745731698, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (33230243) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16615146 + 16615147.
It is an arithmetic number, because the mean of its divisors is an integer number (16615147).
Almost surely, 233230293 is an apocalyptic number.
It is an amenable number.
33230293 is a deficient number, since it is larger than the sum of its proper divisors (1).
33230293 is an equidigital number, since it uses as much as digits as its factorization.
33230293 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2916, while the sum is 25.
The square root of 33230293 is about 5764.5722304435. The cubic root of 33230293 is about 321.4978380904.
It can be divided in two parts, 332 and 30293, that added together give a square (30625 = 1752).
The spelling of 33230293 in words is "thirty-three million, two hundred thirty thousand, two hundred ninety-three".
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