Base | Representation |
---|---|
bin | 1111110010100… |
… | …01011111101101 |
3 | 100020020101020211 |
4 | 13321101133231 |
5 | 232402020011 |
6 | 21050542421 |
7 | 3165562243 |
oct | 771213755 |
9 | 306211224 |
10 | 132454381 |
11 | 68848a34 |
12 | 38437a11 |
13 | 21597997 |
14 | 1383c793 |
15 | b965b21 |
hex | 7e517ed |
132454381 has 2 divisors, whose sum is σ = 132454382. Its totient is φ = 132454380.
The previous prime is 132454349. The next prime is 132454391. The reversal of 132454381 is 183454231.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 132020100 + 434281 = 11490^2 + 659^2 .
It is a cyclic number.
It is not a de Polignac number, because 132454381 - 25 = 132454349 is a prime.
It is a super-2 number, since 2×1324543812 = 35088326092186322, 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 (132454321) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66227190 + 66227191.
It is an arithmetic number, because the mean of its divisors is an integer number (66227191).
Almost surely, 2132454381 is an apocalyptic number.
It is an amenable number.
132454381 is a deficient number, since it is larger than the sum of its proper divisors (1).
132454381 is an equidigital number, since it uses as much as digits as its factorization.
132454381 is an evil number, because the sum of its binary digits is even.
The product of its digits is 11520, while the sum is 31.
The square root of 132454381 is about 11508.8826998975. The cubic root of 132454381 is about 509.7478966746.
The spelling of 132454381 in words is "one hundred thirty-two million, four hundred fifty-four thousand, three hundred eighty-one".
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