Base | Representation |
---|---|
bin | 1111110010110… |
… | …10001000111001 |
3 | 100020022011211002 |
4 | 13321122020321 |
5 | 232404133120 |
6 | 21051414345 |
7 | 3166100411 |
oct | 771321071 |
9 | 306264732 |
10 | 132489785 |
11 | 6887259a |
12 | 384543b5 |
13 | 215aab2c |
14 | 1384b641 |
15 | b971375 |
hex | 7e5a239 |
132489785 has 8 divisors (see below), whose sum is σ = 163284936. Its totient is φ = 103127040.
The previous prime is 132489781. The next prime is 132489787. The reversal of 132489785 is 587984231.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 61795321 + 70694464 = 7861^2 + 8408^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 132489785 - 22 = 132489781 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (132489781) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357896 + ... + 358265.
It is an arithmetic number, because the mean of its divisors is an integer number (20410617).
Almost surely, 2132489785 is an apocalyptic number.
It is an amenable number.
132489785 is a deficient number, since it is larger than the sum of its proper divisors (30795151).
132489785 is an equidigital number, since it uses as much as digits as its factorization.
132489785 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 716203.
The product of its digits is 483840, while the sum is 47.
The square root of 132489785 is about 11510.4207134231. The cubic root of 132489785 is about 509.7933098116.
The spelling of 132489785 in words is "one hundred thirty-two million, four hundred eighty-nine thousand, seven hundred eighty-five".
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