Base | Representation |
---|---|
bin | 10001111011100… |
… | …11101010110101 |
3 | 101111001010122122 |
4 | 20331303222311 |
5 | 302001421044 |
6 | 22532005325 |
7 | 3504356465 |
oct | 1075635265 |
9 | 344033578 |
10 | 150420149 |
11 | 779a9980 |
12 | 42460845 |
13 | 25218209 |
14 | 15d97ba5 |
15 | d313dee |
hex | 8f73ab5 |
150420149 has 16 divisors (see below), whose sum is σ = 169027584. Its totient is φ = 132678000.
The previous prime is 150420107. The next prime is 150420157. The reversal of 150420149 is 941024051.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-150420149 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (150423149) by changing a digit.
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, 76124 + ... + 78074.
It is an arithmetic number, because the mean of its divisors is an integer number (10564224).
Almost surely, 2150420149 is an apocalyptic number.
It is an amenable number.
150420149 is a deficient number, since it is larger than the sum of its proper divisors (18607435).
150420149 is a wasteful number, since it uses less digits than its factorization.
150420149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2168.
The product of its (nonzero) digits is 1440, while the sum is 26.
The square root of 150420149 is about 12264.5892307896. The cubic root of 150420149 is about 531.8249053967.
The spelling of 150420149 in words is "one hundred fifty million, four hundred twenty thousand, one hundred forty-nine".
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