Base | Representation |
---|---|
bin | 10110100011110… |
… | …10110110111000 |
3 | 111012002201221121 |
4 | 23101322312320 |
5 | 341421400104 |
6 | 30440115024 |
7 | 4455400150 |
oct | 1321726670 |
9 | 435081847 |
10 | 189246904 |
11 | 97909000 |
12 | 53465a74 |
13 | 30290a22 |
14 | 1b1c3760 |
15 | 11933254 |
hex | b47adb8 |
189246904 has 64 divisors (see below), whose sum is σ = 446227200. Its totient is φ = 73703520.
The previous prime is 189246881. The next prime is 189246931. The reversal of 189246904 is 409642981.
It is a super-3 number, since 3×1892469043 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73267 + ... + 75805.
It is an arithmetic number, because the mean of its divisors is an integer number (6972300).
Almost surely, 2189246904 is an apocalyptic number.
189246904 is a gapful number since it is divisible by the number (14) 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 189246904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223113600).
189246904 is an abundant number, since it is smaller than the sum of its proper divisors (256980296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
189246904 is a wasteful number, since it uses less digits than its factorization.
189246904 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2585 (or 2559 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 43.
The square root of 189246904 is about 13756.7039657034. The cubic root of 189246904 is about 574.1291457519.
The spelling of 189246904 in words is "one hundred eighty-nine million, two hundred forty-six thousand, nine hundred four".
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