Base | Representation |
---|---|
bin | 111001010100… |
… | …1011011101000 |
3 | 2002112220111120 |
4 | 1302221123220 |
5 | 30143212440 |
6 | 2552055240 |
7 | 513312225 |
oct | 162513350 |
9 | 62486446 |
10 | 30054120 |
11 | 15a68118 |
12 | a094520 |
13 | 62c3805 |
14 | 3dc494c |
15 | 2989dd0 |
hex | 1ca96e8 |
30054120 has 32 divisors (see below), whose sum is σ = 90162720. Its totient is φ = 8014400.
The previous prime is 30054109. The next prime is 30054131. The reversal of 30054120 is 2145003.
It is an interprime number because it is at equal distance from previous prime (30054109) and next prime (30054131).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 30054120.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 125106 + ... + 125345.
It is an arithmetic number, because the mean of its divisors is an integer number (2817585).
Almost surely, 230054120 is an apocalyptic number.
30054120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30054120 is an abundant number, since it is smaller than the sum of its proper divisors (60108600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30054120 is a wasteful number, since it uses less digits than its factorization.
30054120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 250465 (or 250461 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 30054120 is about 5482.1638063816. The cubic root of 30054120 is about 310.9099865978.
Adding to 30054120 its reverse (2145003), we get a palindrome (32199123).
The spelling of 30054120 in words is "thirty million, fifty-four thousand, one hundred twenty".
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