Base | Representation |
---|---|
bin | 111001110110… |
… | …0110100100011 |
3 | 2010001221010210 |
4 | 1303230310203 |
5 | 30231031042 |
6 | 3002025203 |
7 | 515542041 |
oct | 163546443 |
9 | 63057123 |
10 | 30330147 |
11 | 16136541 |
12 | a1a8203 |
13 | 638c343 |
14 | 4057391 |
15 | 29e1a9c |
hex | 1cecd23 |
30330147 has 4 divisors (see below), whose sum is σ = 40440200. Its totient is φ = 20220096.
The previous prime is 30330133. The next prime is 30330149. The reversal of 30330147 is 74103303.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74103303 = 3 ⋅24701101.
It is not a de Polignac number, because 30330147 - 214 = 30313763 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30330149) 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, 5055022 + ... + 5055027.
It is an arithmetic number, because the mean of its divisors is an integer number (10110050).
Almost surely, 230330147 is an apocalyptic number.
30330147 is a deficient number, since it is larger than the sum of its proper divisors (10110053).
30330147 is a wasteful number, since it uses less digits than its factorization.
30330147 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10110052.
The product of its (nonzero) digits is 756, while the sum is 21.
The square root of 30330147 is about 5507.2812711900. The cubic root of 30330147 is about 311.8589208487.
The spelling of 30330147 in words is "thirty million, three hundred thirty thousand, one hundred forty-seven".
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