Base | Representation |
---|---|
bin | 1111101100011… |
… | …10001001010010 |
3 | 100011201201122110 |
4 | 13312032021102 |
5 | 232200413401 |
6 | 21021450150 |
7 | 3156020364 |
oct | 766161122 |
9 | 304651573 |
10 | 131654226 |
11 | 68351850 |
12 | 38110956 |
13 | 21377712 |
14 | 136b0d34 |
15 | b8589d6 |
hex | 7d8e252 |
131654226 has 64 divisors (see below), whose sum is σ = 297945216. Its totient is φ = 38438400.
The previous prime is 131654213. The next prime is 131654227. The reversal of 131654226 is 622456131.
It is a junction number, because it is equal to n+sod(n) for n = 131654193 and 131654202.
It is not an unprimeable number, because it can be changed into a prime (131654227) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213070 + ... + 213686.
It is an arithmetic number, because the mean of its divisors is an integer number (4655394).
Almost surely, 2131654226 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131654226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148972608).
131654226 is an abundant number, since it is smaller than the sum of its proper divisors (166290990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131654226 is a wasteful number, since it uses less digits than its factorization.
131654226 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 747.
The product of its digits is 8640, while the sum is 30.
The square root of 131654226 is about 11474.0675438137. The cubic root of 131654226 is about 508.7193628760.
It can be divided in two parts, 13165 and 4226, that added together give a triangular number (17391 = T186).
The spelling of 131654226 in words is "one hundred thirty-one million, six hundred fifty-four thousand, two hundred twenty-six".
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