Base | Representation |
---|---|
bin | 10110100010000… |
… | …00011010010000 |
3 | 111011122120112221 |
4 | 23101000122100 |
5 | 341341220004 |
6 | 30431030424 |
7 | 4453352200 |
oct | 1321003220 |
9 | 434576487 |
10 | 189007504 |
11 | 97765154 |
12 | 5336b414 |
13 | 30208a7a |
14 | 1b160400 |
15 | 118d7354 |
hex | b440690 |
189007504 has 45 divisors (see below), whose sum is σ = 426859491. Its totient is φ = 80838240.
The previous prime is 189007501. The next prime is 189007519. The reversal of 189007504 is 405700981.
It is a happy number.
The square root of 189007504 is 13748.
It is a perfect power (a square), and thus also a powerful number.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 189007504.
It is not an unprimeable number, because it can be changed into a prime (189007501) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 384699 + ... + 385189.
Almost surely, 2189007504 is an apocalyptic number.
189007504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
189007504 is the 13748-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 189007504
189007504 is an abundant number, since it is smaller than the sum of its proper divisors (237851987).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
189007504 is an frugal number, since it uses more digits than its factorization.
189007504 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1004 (or 500 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 34.
The cubic root of 189007504 is about 573.8869497765.
The spelling of 189007504 in words is "one hundred eighty-nine million, seven thousand, five hundred four".
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