Base | Representation |
---|---|
bin | 10001111000100… |
… | …10000010010000 |
3 | 101110021211002012 |
4 | 20330102002100 |
5 | 301401121430 |
6 | 22515242052 |
7 | 3501102536 |
oct | 1074220220 |
9 | 343254065 |
10 | 150020240 |
11 | 77756477 |
12 | 422a9328 |
13 | 25108196 |
14 | 15cd2156 |
15 | d285695 |
hex | 8f12090 |
150020240 has 80 divisors (see below), whose sum is σ = 377332992. Its totient is φ = 55252992.
The previous prime is 150020209. The next prime is 150020243. The reversal of 150020240 is 42020051.
It is a tau number, because it is divible by the number of its divisors (80).
It is not an unprimeable number, because it can be changed into a prime (150020243) 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, 62747 + ... + 65093.
Almost surely, 2150020240 is an apocalyptic number.
150020240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 150020240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188666496).
150020240 is an abundant number, since it is smaller than the sum of its proper divisors (227312752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
150020240 is a wasteful number, since it uses less digits than its factorization.
150020240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2424 (or 2418 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 14.
The square root of 150020240 is about 12248.2749805840. The cubic root of 150020240 is about 531.3531815270.
Adding to 150020240 its reverse (42020051), we get a palindrome (192040291).
The spelling of 150020240 in words is "one hundred fifty million, twenty thousand, two hundred forty".
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