Base | Representation |
---|---|
bin | 1111101010001… |
… | …00011010110011 |
3 | 100011011101101220 |
4 | 13311010122303 |
5 | 232111232433 |
6 | 21011200123 |
7 | 3153322101 |
oct | 765043263 |
9 | 304141356 |
10 | 131352243 |
11 | 68165980 |
12 | 37ba6043 |
13 | 212a0129 |
14 | 13632c71 |
15 | b7e92b3 |
hex | 7d446b3 |
131352243 has 16 divisors (see below), whose sum is σ = 192122112. Its totient is φ = 79164000.
The previous prime is 131352203. The next prime is 131352283. The reversal of 131352243 is 342253131.
It is an interprime number because it is at equal distance from previous prime (131352203) and next prime (131352283).
It is not a de Polignac number, because 131352243 - 210 = 131351219 is a prime.
It is a super-2 number, since 2×1313522432 = 34506823482262098, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (131352203) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5023 + ... + 16968.
It is an arithmetic number, because the mean of its divisors is an integer number (12007632).
Almost surely, 2131352243 is an apocalyptic number.
131352243 is a deficient number, since it is larger than the sum of its proper divisors (60769869).
131352243 is a wasteful number, since it uses less digits than its factorization.
131352243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22186.
The product of its digits is 2160, while the sum is 24.
The square root of 131352243 is about 11460.9006190613. The cubic root of 131352243 is about 508.3301053156.
The spelling of 131352243 in words is "one hundred thirty-one million, three hundred fifty-two thousand, two hundred forty-three".
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