Base | Representation |
---|---|
bin | 110010001010… |
… | …111111110101 |
3 | 220202012111012 |
4 | 302022333311 |
5 | 11331332440 |
6 | 1145522005 |
7 | 216535511 |
oct | 62127765 |
9 | 26665435 |
10 | 13152245 |
11 | 7473527 |
12 | 44a3305 |
13 | 29565c2 |
14 | 1a65141 |
15 | 124be65 |
hex | c8aff5 |
13152245 has 8 divisors (see below), whose sum is σ = 16118784. Its totient is φ = 10297744.
The previous prime is 13152241. The next prime is 13152257. The reversal of 13152245 is 54225131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13152245 - 22 = 13152241 is a prime.
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 13152245.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13152241) 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, 27749 + ... + 28218.
It is an arithmetic number, because the mean of its divisors is an integer number (2014848).
Almost surely, 213152245 is an apocalyptic number.
It is an amenable number.
13152245 is a deficient number, since it is larger than the sum of its proper divisors (2966539).
13152245 is an equidigital number, since it uses as much as digits as its factorization.
13152245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56019.
The product of its digits is 1200, while the sum is 23.
The square root of 13152245 is about 3626.6024044552. The cubic root of 13152245 is about 236.0478034448.
Adding to 13152245 its reverse (54225131), we get a palindrome (67377376).
The spelling of 13152245 in words is "thirteen million, one hundred fifty-two thousand, two hundred forty-five".
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