Base | Representation |
---|---|
bin | 10110100010111… |
… | …00111001110000 |
3 | 111011212111122022 |
4 | 23101130321300 |
5 | 341403433313 |
6 | 30433331012 |
7 | 4454346350 |
oct | 1321347160 |
9 | 434774568 |
10 | 189124208 |
11 | 978348a9 |
12 | 53406a68 |
13 | 30249c20 |
14 | 1b190b60 |
15 | 1190bc08 |
hex | b45ce70 |
189124208 has 40 divisors (see below), whose sum is σ = 450991968. Its totient is φ = 74817792.
The previous prime is 189124181. The next prime is 189124249. The reversal of 189124208 is 802421981.
189124208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63491 + ... + 66402.
Almost surely, 2189124208 is an apocalyptic number.
It is an amenable number.
189124208 is an abundant number, since it is smaller than the sum of its proper divisors (261867760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
189124208 is a wasteful number, since it uses less digits than its factorization.
189124208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129921 (or 129915 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 35.
The square root of 189124208 is about 13752.2437442041. The cubic root of 189124208 is about 574.0050423058.
The spelling of 189124208 in words is "one hundred eighty-nine million, one hundred twenty-four thousand, two hundred eight".
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