Base | Representation |
---|---|
bin | 101111011111… |
… | …100011101110 |
3 | 212102112020020 |
4 | 233133203232 |
5 | 11141400110 |
6 | 1122503010 |
7 | 210552315 |
oct | 57374356 |
9 | 25375206 |
10 | 12450030 |
11 | 703398a |
12 | 4204a66 |
13 | 276baa8 |
14 | 192127c |
15 | 115dd70 |
hex | bdf8ee |
12450030 has 32 divisors (see below), whose sum is σ = 29973024. Its totient is φ = 3309696.
The previous prime is 12450023. The next prime is 12450059. The reversal of 12450030 is 3005421.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a junction number, because it is equal to n+sod(n) for n = 12449991 and 12450009.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18052 + ... + 18728.
It is an arithmetic number, because the mean of its divisors is an integer number (936657).
Almost surely, 212450030 is an apocalyptic number.
12450030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12450030 is an abundant number, since it is smaller than the sum of its proper divisors (17522994).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12450030 is a wasteful number, since it uses less digits than its factorization.
12450030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1300.
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 12450030 is about 3528.4600040244. The cubic root of 12450030 is about 231.7697750802.
Adding to 12450030 its reverse (3005421), we get a palindrome (15455451).
The spelling of 12450030 in words is "twelve million, four hundred fifty thousand, thirty".
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