Base | Representation |
---|---|
bin | 110011011001… |
… | …010111001001 |
3 | 221100111210100 |
4 | 303121113021 |
5 | 11422120400 |
6 | 1200440013 |
7 | 222343353 |
oct | 63312711 |
9 | 27314710 |
10 | 13473225 |
11 | 76726a7 |
12 | 4619009 |
13 | 2a3972c |
14 | 1b0a0d3 |
15 | 12b2100 |
hex | cd95c9 |
13473225 has 36 divisors (see below), whose sum is σ = 24329916. Its totient is φ = 7127040.
The previous prime is 13473221. The next prime is 13473247. The reversal of 13473225 is 52237431.
It can be written as a sum of positive squares in 6 ways, for example, as 11664 + 13461561 = 108^2 + 3669^2 .
It is not a de Polignac number, because 13473225 - 22 = 13473221 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13473221) 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 35 ways as a sum of consecutive naturals, for example, 52297 + ... + 52553.
It is an arithmetic number, because the mean of its divisors is an integer number (675831).
Almost surely, 213473225 is an apocalyptic number.
13473225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13473225 is a deficient number, since it is larger than the sum of its proper divisors (10856691).
13473225 is a wasteful number, since it uses less digits than its factorization.
13473225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 506 (or 498 counting only the distinct ones).
The product of its digits is 5040, while the sum is 27.
The square root of 13473225 is about 3670.5891897623. The cubic root of 13473225 is about 237.9526363391.
The spelling of 13473225 in words is "thirteen million, four hundred seventy-three thousand, two hundred twenty-five".
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