Base | Representation |
---|---|
bin | 110011011001… |
… | …100011000001 |
3 | 221100112211111 |
4 | 303121203001 |
5 | 11422131420 |
6 | 1200443321 |
7 | 222345520 |
oct | 63314301 |
9 | 27315744 |
10 | 13473985 |
11 | 7673228 |
12 | 4619541 |
13 | 2a39b95 |
14 | 1b0a4b7 |
15 | 12b245a |
hex | cd98c1 |
13473985 has 16 divisors (see below), whose sum is σ = 18784512. Its totient is φ = 9086400.
The previous prime is 13473973. The next prime is 13473989. The reversal of 13473985 is 58937431.
It is not a de Polignac number, because 13473985 - 27 = 13473857 is a prime.
It is a Duffinian number.
It is a zygodrome in base 3.
It is not an unprimeable number, because it can be changed into a prime (13473989) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1021 + ... + 5290.
It is an arithmetic number, because the mean of its divisors is an integer number (1174032).
Almost surely, 213473985 is an apocalyptic number.
It is an amenable number.
13473985 is a deficient number, since it is larger than the sum of its proper divisors (5310527).
13473985 is an equidigital number, since it uses as much as digits as its factorization.
13473985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6384.
The product of its digits is 90720, while the sum is 40.
The square root of 13473985 is about 3670.6927139165. The cubic root of 13473985 is about 237.9571104128.
It can be divided in two parts, 13 and 473985, that multiplied together give a triangular number (6161805 = T3510).
The spelling of 13473985 in words is "thirteen million, four hundred seventy-three thousand, nine hundred eighty-five".
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