Base | Representation |
---|---|
bin | 10101100011011… |
… | …11110100011100 |
3 | 110121020020220220 |
4 | 22301233310130 |
5 | 332242004314 |
6 | 25535241340 |
7 | 4323612564 |
oct | 1261576434 |
9 | 417206826 |
10 | 180813084 |
11 | 93078601 |
12 | 50679250 |
13 | 2b5c9cba |
14 | 1a029da4 |
15 | 10d193a9 |
hex | ac6fd1c |
180813084 has 24 divisors (see below), whose sum is σ = 422598288. Its totient is φ = 60170880.
The previous prime is 180813079. The next prime is 180813109. The reversal of 180813084 is 480318081.
It is a happy number.
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, 4807 + ... + 19614.
It is an arithmetic number, because the mean of its divisors is an integer number (17608262).
Almost surely, 2180813084 is an apocalyptic number.
It is an amenable number.
180813084 is an abundant number, since it is smaller than the sum of its proper divisors (241785204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
180813084 is a wasteful number, since it uses less digits than its factorization.
180813084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25045 (or 25043 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 33.
The square root of 180813084 is about 13446.6755742823. The cubic root of 180813084 is about 565.4704974833.
The spelling of 180813084 in words is "one hundred eighty million, eight hundred thirteen thousand, eighty-four".
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