Base | Representation |
---|---|
bin | 1111110101111… |
… | …11100111011110 |
3 | 100021002021222122 |
4 | 13322333213132 |
5 | 233010433223 |
6 | 21104342542 |
7 | 3202451261 |
oct | 772774736 |
9 | 307067878 |
10 | 132905438 |
11 | 69026906 |
12 | 38614a52 |
13 | 216c5093 |
14 | 13918cd8 |
15 | ba045c8 |
hex | 7ebf9de |
132905438 has 4 divisors (see below), whose sum is σ = 199358160. Its totient is φ = 66452718.
The previous prime is 132905429. The next prime is 132905471. The reversal of 132905438 is 834509231.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 834509231 = 3067 ⋅272093.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 132905398 and 132905407.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33226358 + ... + 33226361.
It is an arithmetic number, because the mean of its divisors is an integer number (49839540).
Almost surely, 2132905438 is an apocalyptic number.
132905438 is a deficient number, since it is larger than the sum of its proper divisors (66452722).
132905438 is an equidigital number, since it uses as much as digits as its factorization.
132905438 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66452721.
The product of its (nonzero) digits is 25920, while the sum is 35.
The square root of 132905438 is about 11528.4620830361. The cubic root of 132905438 is about 510.3258688887.
The spelling of 132905438 in words is "one hundred thirty-two million, nine hundred five thousand, four hundred thirty-eight".
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