Base | Representation |
---|---|
bin | 110011110100… |
… | …101011111001 |
3 | 221120012022112 |
4 | 303310223321 |
5 | 11434211040 |
6 | 1203102105 |
7 | 223320560 |
oct | 63645371 |
9 | 27505275 |
10 | 13585145 |
11 | 77397a2 |
12 | 4671935 |
13 | 2a78662 |
14 | 1b38bd7 |
15 | 12d5365 |
hex | cf4af9 |
13585145 has 16 divisors (see below), whose sum is σ = 19087488. Its totient is φ = 9087360.
The previous prime is 13585123. The next prime is 13585147. The reversal of 13585145 is 54158531.
It is not a de Polignac number, because 13585145 - 28 = 13584889 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13585147) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3299 + ... + 6168.
It is an arithmetic number, because the mean of its divisors is an integer number (1192968).
Almost surely, 213585145 is an apocalyptic number.
It is an amenable number.
13585145 is a deficient number, since it is larger than the sum of its proper divisors (5502343).
13585145 is an equidigital number, since it uses as much as digits as its factorization.
13585145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9520.
The product of its digits is 12000, while the sum is 32.
The square root of 13585145 is about 3685.8031689172. The cubic root of 13585145 is about 238.6096989158.
The spelling of 13585145 in words is "thirteen million, five hundred eighty-five thousand, one hundred forty-five".
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