Base | Representation |
---|---|
bin | 10001111001100… |
… | …01110001001101 |
3 | 101110112102101022 |
4 | 20330301301031 |
5 | 301414301341 |
6 | 22522123525 |
7 | 3502153514 |
oct | 1074616115 |
9 | 343472338 |
10 | 150150221 |
11 | 778350a1 |
12 | 423505a5 |
13 | 251523b0 |
14 | 15d2767b |
15 | d2ade4b |
hex | 8f31c4d |
150150221 has 16 divisors (see below), whose sum is σ = 165587520. Its totient is φ = 135302400.
The previous prime is 150150199. The next prime is 150150223. The reversal of 150150221 is 122051051.
150150221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 150150221 - 218 = 149888077 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 150150221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (150150223) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124421 + ... + 125621.
It is an arithmetic number, because the mean of its divisors is an integer number (10349220).
Almost surely, 2150150221 is an apocalyptic number.
It is an amenable number.
150150221 is a deficient number, since it is larger than the sum of its proper divisors (15437299).
150150221 is a wasteful number, since it uses less digits than its factorization.
150150221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1436.
The product of its (nonzero) digits is 100, while the sum is 17.
The square root of 150150221 is about 12253.5799258829. The cubic root of 150150221 is about 531.5065961168.
The spelling of 150150221 in words is "one hundred fifty million, one hundred fifty thousand, two hundred twenty-one".
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