Base | Representation |
---|---|
bin | 111001100101… |
… | …0001001110110 |
3 | 2002210201100122 |
4 | 1303022021312 |
5 | 30212010100 |
6 | 2555011542 |
7 | 514411046 |
oct | 163121166 |
9 | 62721318 |
10 | 30188150 |
11 | 16049893 |
12 | a139bb2 |
13 | 633c815 |
14 | 401b726 |
15 | 29b4985 |
hex | 1cca276 |
30188150 has 48 divisors (see below), whose sum is σ = 60561600. Its totient is φ = 11158560.
The previous prime is 30188143. The next prime is 30188173. The reversal of 30188150 is 5188103.
It is a super-2 number, since 2×301881502 = 1822648800845000, which contains 22 as substring.
It is a congruent number.
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 23 ways as a sum of consecutive naturals, for example, 40481 + ... + 41219.
It is an arithmetic number, because the mean of its divisors is an integer number (1261700).
Almost surely, 230188150 is an apocalyptic number.
30188150 is an abundant number, since it is smaller than the sum of its proper divisors (30373450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30188150 is a wasteful number, since it uses less digits than its factorization.
30188150 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 813 (or 808 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 26.
The square root of 30188150 is about 5494.3743956887. The cubic root of 30188150 is about 311.3714815332.
The spelling of 30188150 in words is "thirty million, one hundred eighty-eight thousand, one hundred fifty".
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