Base | Representation |
---|---|
bin | 11111110001001… |
… | …100100011101100 |
3 | 1101010220201002100 |
4 | 133301030203230 |
5 | 2042421141223 |
6 | 124515455100 |
7 | 16131225153 |
oct | 3761144354 |
9 | 1333821070 |
10 | 532990188 |
11 | 25394a465 |
12 | 12a5b7490 |
13 | 86566113 |
14 | 50b0259a |
15 | 31bd3043 |
hex | 1fc4c8ec |
532990188 has 144 divisors (see below), whose sum is σ = 1503684000. Its totient is φ = 158398464.
The previous prime is 532990187. The next prime is 532990229. The reversal of 532990188 is 881099235.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (532990187) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1046878 + ... + 1047386.
It is an arithmetic number, because the mean of its divisors is an integer number (10442250).
Almost surely, 2532990188 is an apocalyptic number.
532990188 is a gapful number since it is divisible by the number (58) 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 532990188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (751842000).
532990188 is an abundant number, since it is smaller than the sum of its proper divisors (970693812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
532990188 is a wasteful number, since it uses less digits than its factorization.
532990188 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 624 (or 619 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 45.
The square root of 532990188 is about 23086.5802578034. The cubic root of 532990188 is about 810.7863054933.
The spelling of 532990188 in words is "five hundred thirty-two million, nine hundred ninety thousand, one hundred eighty-eight".
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