Base | Representation |
---|---|
bin | 111111010011… |
… | …1010000011011 |
3 | 2022110021102001 |
4 | 1332213100123 |
5 | 31444102224 |
6 | 3143221431 |
7 | 552055405 |
oct | 176472033 |
9 | 68407361 |
10 | 33190939 |
11 | 1780a931 |
12 | b147877 |
13 | 6b51512 |
14 | 459db75 |
15 | 2da9544 |
hex | 1fa741b |
33190939 has 2 divisors, whose sum is σ = 33190940. Its totient is φ = 33190938.
The previous prime is 33190931. The next prime is 33190943. The reversal of 33190939 is 93909133.
It is a strong prime.
It is an emirp because it is prime and its reverse (93909133) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 33190939 - 23 = 33190931 is a prime.
It is a super-2 number, since 2×331909392 = 2203276863403442, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 33190898 and 33190907.
It is not a weakly prime, because it can be changed into another prime (33190931) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16595469 + 16595470.
It is an arithmetic number, because the mean of its divisors is an integer number (16595470).
Almost surely, 233190939 is an apocalyptic number.
33190939 is a deficient number, since it is larger than the sum of its proper divisors (1).
33190939 is an equidigital number, since it uses as much as digits as its factorization.
33190939 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 19683, while the sum is 37.
The square root of 33190939 is about 5761.1577829461. The cubic root of 33190939 is about 321.3708733778.
The spelling of 33190939 in words is "thirty-three million, one hundred ninety thousand, nine hundred thirty-nine".
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