Base | Representation |
---|---|
bin | 1111101111001… |
… | …11111010100101 |
3 | 100012102102000221 |
4 | 13313213322211 |
5 | 232244200200 |
6 | 21033404341 |
7 | 3162111400 |
oct | 767477245 |
9 | 305372027 |
10 | 132021925 |
11 | 68583032 |
12 | 382696b1 |
13 | 21475ba9 |
14 | 13768d37 |
15 | b8cc91a |
hex | 7de7ea5 |
132021925 has 18 divisors (see below), whose sum is σ = 190436658. Its totient is φ = 90528480.
The previous prime is 132021917. The next prime is 132021971. The reversal of 132021925 is 529120231.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 70756 + 131951169 = 266^2 + 11487^2 .
It is not a de Polignac number, because 132021925 - 23 = 132021917 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 132021925.
It is a congruent number.
It is an unprimeable number.
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 in 17 ways as a sum of consecutive naturals, for example, 52662 + ... + 55111.
Almost surely, 2132021925 is an apocalyptic number.
It is an amenable number.
132021925 is a deficient number, since it is larger than the sum of its proper divisors (58414733).
132021925 is a wasteful number, since it uses less digits than its factorization.
132021925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107797 (or 107785 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 25.
The square root of 132021925 is about 11490.0794166098. The cubic root of 132021925 is about 509.1925258803.
The spelling of 132021925 in words is "one hundred thirty-two million, twenty-one thousand, nine hundred twenty-five".
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