Base | Representation |
---|---|
bin | 10101100001011… |
… | …11101001010110 |
3 | 110120201220100120 |
4 | 22300233221112 |
5 | 332210101410 |
6 | 25525452410 |
7 | 4321436340 |
oct | 1260575126 |
9 | 416656316 |
10 | 180550230 |
11 | 92a09073 |
12 | 50571106 |
13 | 2b537473 |
14 | 19d9c290 |
15 | 10cb6570 |
hex | ac2fa56 |
180550230 has 128 divisors (see below), whose sum is σ = 534988800. Its totient is φ = 38083584.
The previous prime is 180550229. The next prime is 180550291. The reversal of 180550230 is 32055081.
It is a self number, because there is not a number n which added to its sum of digits gives 180550230.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 139426 + ... + 140714.
It is an arithmetic number, because the mean of its divisors is an integer number (4179600).
Almost surely, 2180550230 is an apocalyptic number.
180550230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 180550230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267494400).
180550230 is an abundant number, since it is smaller than the sum of its proper divisors (354438570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
180550230 is a wasteful number, since it uses less digits than its factorization.
180550230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1358.
The product of its (nonzero) digits is 1200, while the sum is 24.
The square root of 180550230 is about 13436.8980795420. The cubic root of 180550230 is about 565.1963501652.
The spelling of 180550230 in words is "one hundred eighty million, five hundred fifty thousand, two hundred thirty".
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