Base | Representation |
---|---|
bin | 111111001110… |
… | …1010001100001 |
3 | 2022101012022121 |
4 | 1332131101201 |
5 | 31441300144 |
6 | 3142304241 |
7 | 551525242 |
oct | 176352141 |
9 | 68335277 |
10 | 33150049 |
11 | 17792139 |
12 | b128081 |
13 | 6b38a1a |
14 | 458ccc9 |
15 | 2d9c384 |
hex | 1f9d461 |
33150049 has 4 divisors (see below), whose sum is σ = 33222420. Its totient is φ = 33077680.
The previous prime is 33150043. The next prime is 33150053. The reversal of 33150049 is 94005133.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94005133 = 4447 ⋅21139.
It can be written as a sum of positive squares in 2 ways, for example, as 14288400 + 18861649 = 3780^2 + 4343^2 .
It is a cyclic number.
It is not a de Polignac number, because 33150049 - 211 = 33148001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (33150043) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35494 + ... + 36415.
It is an arithmetic number, because the mean of its divisors is an integer number (8305605).
Almost surely, 233150049 is an apocalyptic number.
It is an amenable number.
33150049 is a deficient number, since it is larger than the sum of its proper divisors (72371).
33150049 is an equidigital number, since it uses as much as digits as its factorization.
33150049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72370.
The product of its (nonzero) digits is 1620, while the sum is 25.
The square root of 33150049 is about 5757.6079234349. The cubic root of 33150049 is about 321.2388468323.
The spelling of 33150049 in words is "thirty-three million, one hundred fifty thousand, forty-nine".
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