Base | Representation |
---|---|
bin | 10001111011010… |
… | …10001111011010 |
3 | 101110222011200022 |
4 | 20331222033122 |
5 | 301444202110 |
6 | 22531110442 |
7 | 3504136055 |
oct | 1075521732 |
9 | 343864608 |
10 | 150381530 |
11 | 77982962 |
12 | 42442422 |
13 | 25203770 |
14 | 15d87a9c |
15 | d307755 |
hex | 8f6a3da |
150381530 has 64 divisors (see below), whose sum is σ = 305091360. Its totient is φ = 52985856.
The previous prime is 150381499. The next prime is 150381557. The reversal of 150381530 is 35183051.
150381530 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 16 ways, for example, as 8128201 + 142253329 = 2851^2 + 11927^2 .
It is a super-2 number, since 2×1503815302 = 45229209130281800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a self number, because there is not a number n which added to its sum of digits gives 150381530.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 425834 + ... + 426186.
Almost surely, 2150381530 is an apocalyptic number.
150381530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
150381530 is an abundant number, since it is smaller than the sum of its proper divisors (154709830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
150381530 is a wasteful number, since it uses less digits than its factorization.
150381530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 515.
The product of its (nonzero) digits is 1800, while the sum is 26.
The square root of 150381530 is about 12263.0147190648. The cubic root of 150381530 is about 531.7793877714.
The spelling of 150381530 in words is "one hundred fifty million, three hundred eighty-one thousand, five hundred thirty".
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