Base | Representation |
---|---|
bin | 111001100110… |
… | …0000110110101 |
3 | 2002211010022220 |
4 | 1303030012311 |
5 | 30212234044 |
6 | 2555112553 |
7 | 514443264 |
oct | 163140665 |
9 | 62733286 |
10 | 30196149 |
11 | 160548a5 |
12 | a142759 |
13 | 6343359 |
14 | 40205db |
15 | 29b7019 |
hex | 1ccc1b5 |
30196149 has 16 divisors (see below), whose sum is σ = 42785280. Its totient is φ = 18889200.
The previous prime is 30196129. The next prime is 30196151. The reversal of 30196149 is 94169103.
It is not a de Polignac number, because 30196149 - 27 = 30196021 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30196129) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3624 + ... + 8574.
It is an arithmetic number, because the mean of its divisors is an integer number (2674080).
Almost surely, 230196149 is an apocalyptic number.
It is an amenable number.
30196149 is a deficient number, since it is larger than the sum of its proper divisors (12589131).
30196149 is a wasteful number, since it uses less digits than its factorization.
30196149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5080.
The product of its (nonzero) digits is 5832, while the sum is 33.
The square root of 30196149 is about 5495.1022738435. The cubic root of 30196149 is about 311.3989806294.
The spelling of 30196149 in words is "thirty million, one hundred ninety-six thousand, one hundred forty-nine".
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