Base | Representation |
---|---|
bin | 1111101010110… |
… | …10001110010000 |
3 | 100011022220220122 |
4 | 13311122032100 |
5 | 232122112202 |
6 | 21013125412 |
7 | 3154143344 |
oct | 765321620 |
9 | 304286818 |
10 | 131441552 |
11 | 68216a90 |
12 | 38029868 |
13 | 21301988 |
14 | 13657624 |
15 | b8159a2 |
hex | 7d5a390 |
131441552 has 80 divisors (see below), whose sum is σ = 296980992. Its totient is φ = 55695360.
The previous prime is 131441509. The next prime is 131441561. The reversal of 131441552 is 255144131.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 589313 + ... + 589535.
Almost surely, 2131441552 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131441552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148490496).
131441552 is an abundant number, since it is smaller than the sum of its proper divisors (165539440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131441552 is a wasteful number, since it uses less digits than its factorization.
131441552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 456 (or 450 counting only the distinct ones).
The product of its digits is 2400, while the sum is 26.
The square root of 131441552 is about 11464.7962040326. The cubic root of 131441552 is about 508.4452871278.
Adding to 131441552 its reverse (255144131), we get a palindrome (386585683).
The spelling of 131441552 in words is "one hundred thirty-one million, four hundred forty-one thousand, five hundred fifty-two".
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