Base | Representation |
---|---|
bin | 10101100011001… |
… | …01000111001110 |
3 | 110121011000202200 |
4 | 22301211013032 |
5 | 332234103410 |
6 | 25534302330 |
7 | 4323340665 |
oct | 1261450716 |
9 | 417130680 |
10 | 180769230 |
11 | 93048664 |
12 | 506579a6 |
13 | 2b5b3055 |
14 | 1a017ddc |
15 | 10d0b3c0 |
hex | ac651ce |
180769230 has 96 divisors (see below), whose sum is σ = 503137440. Its totient is φ = 44893440.
The previous prime is 180769219. The next prime is 180769231. The reversal of 180769230 is 32967081.
180769230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
180769230 is a modest number, since divided by 769230 gives 180 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (180769231) 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, 103444 + ... + 105176.
It is an arithmetic number, because the mean of its divisors is an integer number (5241015).
Almost surely, 2180769230 is an apocalyptic number.
180769230 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 180769230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251568720).
180769230 is an abundant number, since it is smaller than the sum of its proper divisors (322368210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
180769230 is a wasteful number, since it uses less digits than its factorization.
180769230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1826 (or 1823 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 180769230 is about 13445.0448121232. The cubic root of 180769230 is about 565.4247778046.
The spelling of 180769230 in words is "one hundred eighty million, seven hundred sixty-nine thousand, two hundred thirty".
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