Base | Representation |
---|---|
bin | 111001011000… |
… | …0110000011011 |
3 | 2002121102122210 |
4 | 1302300300123 |
5 | 30200142443 |
6 | 2552450203 |
7 | 513465546 |
oct | 162606033 |
9 | 62542583 |
10 | 30084123 |
11 | 15a88713 |
12 | a0a9963 |
13 | 6304374 |
14 | 3dd185d |
15 | 2993c33 |
hex | 1cb0c1b |
30084123 has 4 divisors (see below), whose sum is σ = 40112168. Its totient is φ = 20056080.
The previous prime is 30084121. The next prime is 30084151. The reversal of 30084123 is 32148003.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 30084123 - 21 = 30084121 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30084123.
It is not an unprimeable number, because it can be changed into a prime (30084121) 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, 5014018 + ... + 5014023.
It is an arithmetic number, because the mean of its divisors is an integer number (10028042).
Almost surely, 230084123 is an apocalyptic number.
30084123 is a deficient number, since it is larger than the sum of its proper divisors (10028045).
30084123 is a wasteful number, since it uses less digits than its factorization.
30084123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10028044.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 30084123 is about 5484.8995432916. The cubic root of 30084123 is about 311.0134125721.
The spelling of 30084123 in words is "thirty million, eighty-four thousand, one hundred twenty-three".
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