Base | Representation |
---|---|
bin | 1111101011001… |
… | …00101011001000 |
3 | 100011102002122010 |
4 | 13311210223020 |
5 | 232124444420 |
6 | 21014055520 |
7 | 3154412220 |
oct | 765445310 |
9 | 304362563 |
10 | 131484360 |
11 | 68246167 |
12 | 3804a5a0 |
13 | 213182c7 |
14 | 13669080 |
15 | b8234e0 |
hex | 7d64ac8 |
131484360 has 128 divisors (see below), whose sum is σ = 454129920. Its totient is φ = 29832192.
The previous prime is 131484359. The next prime is 131484383. The reversal of 131484360 is 63484131.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131382 + ... + 132378.
It is an arithmetic number, because the mean of its divisors is an integer number (3547890).
Almost surely, 2131484360 is an apocalyptic number.
131484360 is a gapful number since it is divisible by the number (10) 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 131484360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227064960).
131484360 is an abundant number, since it is smaller than the sum of its proper divisors (322645560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131484360 is a wasteful number, since it uses less digits than its factorization.
With its successor (131484361) it forms an eRAP, since the sums of their prime factors are consecutive (1175 and 1176).
131484360 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1175 (or 1171 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 30.
The square root of 131484360 is about 11466.6629844955. The cubic root of 131484360 is about 508.5004781058.
The spelling of 131484360 in words is "one hundred thirty-one million, four hundred eighty-four thousand, three hundred sixty".
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