Base | Representation |
---|---|
bin | 1111110101001… |
… | …11010010010110 |
3 | 100020220020021200 |
4 | 13322213102112 |
5 | 232444241112 |
6 | 21102253330 |
7 | 3201554604 |
oct | 772472226 |
9 | 306806250 |
10 | 132805782 |
11 | 68a68a4a |
12 | 38587246 |
13 | 2168b905 |
14 | 138d0874 |
15 | b9d4cdc |
hex | 7ea7496 |
132805782 has 48 divisors (see below), whose sum is σ = 303866160. Its totient is φ = 41803776.
The previous prime is 132805759. The next prime is 132805789. The reversal of 132805782 is 287508231.
132805782 is a `hidden beast` number, since 1 + 3 + 2 + 80 + 578 + 2 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132805789) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196998 + ... + 197670.
It is an arithmetic number, because the mean of its divisors is an integer number (6330545).
Almost surely, 2132805782 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 132805782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151933080).
132805782 is an abundant number, since it is smaller than the sum of its proper divisors (171060378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
132805782 is a wasteful number, since it uses less digits than its factorization.
132805782 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1277 (or 1274 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 36.
The square root of 132805782 is about 11524.1391001671. The cubic root of 132805782 is about 510.1982850663.
The spelling of 132805782 in words is "one hundred thirty-two million, eight hundred five thousand, seven hundred eighty-two".
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