Base | Representation |
---|---|
bin | 1111110001001… |
… | …01001011100101 |
3 | 100012220011021011 |
4 | 13320211023211 |
5 | 232330212434 |
6 | 21043022221 |
7 | 3164205121 |
oct | 770451345 |
9 | 305804234 |
10 | 132272869 |
11 | 68734623 |
12 | 3836a971 |
13 | 21533191 |
14 | 137d2581 |
15 | b92be64 |
hex | 7e252e5 |
132272869 has 4 divisors (see below), whose sum is σ = 140053644. Its totient is φ = 124492096.
The previous prime is 132272831. The next prime is 132272893. The reversal of 132272869 is 968272231.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 968272231 = 349 ⋅2774419.
It can be written as a sum of positive squares in 2 ways, for example, as 44382244 + 87890625 = 6662^2 + 9375^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-132272869 is a prime.
It is a super-2 number, since 2×1322728692 = 34992223746982322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132222869) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3890362 + ... + 3890395.
It is an arithmetic number, because the mean of its divisors is an integer number (35013411).
Almost surely, 2132272869 is an apocalyptic number.
It is an amenable number.
132272869 is a deficient number, since it is larger than the sum of its proper divisors (7780775).
132272869 is an equidigital number, since it uses as much as digits as its factorization.
132272869 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7780774.
The product of its digits is 72576, while the sum is 40.
The square root of 132272869 is about 11500.9942613671. The cubic root of 132272869 is about 509.5149418603.
The spelling of 132272869 in words is "one hundred thirty-two million, two hundred seventy-two thousand, eight hundred sixty-nine".
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