Base | Representation |
---|---|
bin | 101111110100… |
… | …100001001101 |
3 | 212120220000001 |
4 | 233310201031 |
5 | 11202122020 |
6 | 1124404301 |
7 | 211360525 |
oct | 57644115 |
9 | 25526001 |
10 | 12535885 |
11 | 709243a |
12 | 4246691 |
13 | 279bbab |
14 | 1944685 |
15 | 117950a |
hex | bf484d |
12535885 has 8 divisors (see below), whose sum is σ = 15928056. Its totient is φ = 9438720.
The previous prime is 12535883. The next prime is 12535937. The reversal of 12535885 is 58853521.
It can be written as a sum of positive squares in 4 ways, for example, as 7064964 + 5470921 = 2658^2 + 2339^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12535885 - 21 = 12535883 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12535883) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73656 + ... + 73825.
It is an arithmetic number, because the mean of its divisors is an integer number (1991007).
Almost surely, 212535885 is an apocalyptic number.
It is an amenable number.
12535885 is a deficient number, since it is larger than the sum of its proper divisors (3392171).
12535885 is a wasteful number, since it uses less digits than its factorization.
12535885 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 147503.
The product of its digits is 48000, while the sum is 37.
The square root of 12535885 is about 3540.6051742605. The cubic root of 12535885 is about 232.3013140526.
The spelling of 12535885 in words is "twelve million, five hundred thirty-five thousand, eight hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •