Base | Representation |
---|---|
bin | 110011101010… |
… | …111010111001 |
3 | 221111011110001 |
4 | 303222322321 |
5 | 11431421040 |
6 | 1202153001 |
7 | 223063135 |
oct | 63527271 |
9 | 27434401 |
10 | 13545145 |
11 | 7711739 |
12 | 4652761 |
13 | 2a633a3 |
14 | 1b283c5 |
15 | 12c859a |
hex | ceaeb9 |
13545145 has 16 divisors (see below), whose sum is σ = 16820928. Its totient is φ = 10463040.
The previous prime is 13545127. The next prime is 13545151. The reversal of 13545145 is 54154531.
It is not a de Polignac number, because 13545145 - 25 = 13545113 is a prime.
It is a Duffinian number.
13545145 is a Rhonda number in base 10.
Its product of digits (6000) is a multiple of the sum of its prime divisors (600).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38862 + ... + 39208.
It is an arithmetic number, because the mean of its divisors is an integer number (1051308).
Almost surely, 213545145 is an apocalyptic number.
It is an amenable number.
13545145 is a deficient number, since it is larger than the sum of its proper divisors (3275783).
13545145 is a wasteful number, since it uses less digits than its factorization.
13545145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 600.
The product of its digits is 6000, while the sum is 28.
The square root of 13545145 is about 3680.3729430589. The cubic root of 13545145 is about 238.3752818182.
Adding to 13545145 its reverse (54154531), we get a palindrome (67699676).
The spelling of 13545145 in words is "thirteen million, five hundred forty-five thousand, one hundred forty-five".
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