Base | Representation |
---|---|
bin | 10001111001110… |
… | …10010001000001 |
3 | 101110121012010100 |
4 | 20330322101001 |
5 | 301421410100 |
6 | 22522553013 |
7 | 3502360134 |
oct | 1074722101 |
9 | 343535110 |
10 | 150185025 |
11 | 77859261 |
12 | 42368769 |
13 | 251651a3 |
14 | 15d3621b |
15 | d2b9400 |
hex | 8f3a441 |
150185025 has 81 divisors (see below), whose sum is σ = 290656899. Its totient is φ = 74118240.
The previous prime is 150185011. The next prime is 150185027. The reversal of 150185025 is 520581051.
The square root of 150185025 is 12255.
It is a perfect power (a square), and thus also a powerful number.
150185025 is a `hidden beast` number, since 150 + 1 + 8 + 502 + 5 = 666.
It can be written as a sum of positive squares in only one way, i.e., 54066609 + 96118416 = 7353^2 + 9804^2 .
It is not a de Polignac number, because 150185025 - 27 = 150184897 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 150185025.
It is not an unprimeable number, because it can be changed into a prime (150185027) by changing a digit.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 3492654 + ... + 3492696.
Almost surely, 2150185025 is an apocalyptic number.
150185025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
150185025 is the 12255-th square number.
150185025 is the 6128-th centered octagonal number.
It is an amenable number.
150185025 is a deficient number, since it is larger than the sum of its proper divisors (140471874).
150185025 is a wasteful number, since it uses less digits than its factorization.
150185025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140 (or 70 counting only the distinct ones).
The product of its (nonzero) digits is 2000, while the sum is 27.
The cubic root of 150185025 is about 531.5476597182.
The spelling of 150185025 in words is "one hundred fifty million, one hundred eighty-five thousand, twenty-five".
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