Base | Representation |
---|---|
bin | 1111101010000… |
… | …01011110111111 |
3 | 100011010202220201 |
4 | 13311001132333 |
5 | 232110341343 |
6 | 21011024331 |
7 | 3153242050 |
oct | 765013677 |
9 | 304122821 |
10 | 131340223 |
11 | 68157943 |
12 | 37b9b0a7 |
13 | 21297811 |
14 | 1362c727 |
15 | b7e594d |
hex | 7d417bf |
131340223 has 8 divisors (see below), whose sum is σ = 150215840. Its totient is φ = 112492800.
The previous prime is 131340169. The next prime is 131340247. The reversal of 131340223 is 322043131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131340223 - 29 = 131339711 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 131340223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131340263) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4123 + ... + 16723.
It is an arithmetic number, because the mean of its divisors is an integer number (18776980).
Almost surely, 2131340223 is an apocalyptic number.
131340223 is a deficient number, since it is larger than the sum of its proper divisors (18875617).
131340223 is a wasteful number, since it uses less digits than its factorization.
131340223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14097.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 131340223 is about 11460.3762154652. The cubic root of 131340223 is about 508.3145991364.
Adding to 131340223 its reverse (322043131), we get a palindrome (453383354).
The spelling of 131340223 in words is "one hundred thirty-one million, three hundred forty thousand, two hundred twenty-three".
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