Base | Representation |
---|---|
bin | 1111110011100… |
… | …01111101110101 |
3 | 100020111010200202 |
4 | 13321301331311 |
5 | 232420244011 |
6 | 21053450245 |
7 | 3166655063 |
oct | 771617565 |
9 | 306433622 |
10 | 132587381 |
11 | 68929953 |
12 | 384a0985 |
13 | 21613394 |
14 | 13875033 |
15 | b99023b |
hex | 7e71f75 |
132587381 has 2 divisors, whose sum is σ = 132587382. Its totient is φ = 132587380.
The previous prime is 132587363. The next prime is 132587393. The reversal of 132587381 is 183785231.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 69639025 + 62948356 = 8345^2 + 7934^2 .
It is a cyclic number.
It is not a de Polignac number, because 132587381 - 210 = 132586357 is a prime.
It is a super-2 number, since 2×1325873812 = 35158827200878322, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (132587311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66293690 + 66293691.
It is an arithmetic number, because the mean of its divisors is an integer number (66293691).
Almost surely, 2132587381 is an apocalyptic number.
It is an amenable number.
132587381 is a deficient number, since it is larger than the sum of its proper divisors (1).
132587381 is an equidigital number, since it uses as much as digits as its factorization.
132587381 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 40320, while the sum is 38.
The square root of 132587381 is about 11514.6593957442. The cubic root of 132587381 is about 509.9184555002.
The spelling of 132587381 in words is "one hundred thirty-two million, five hundred eighty-seven thousand, three hundred eighty-one".
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