Base | Representation |
---|---|
bin | 110011010001… |
… | …010011000011 |
3 | 221021211111000 |
4 | 303101103003 |
5 | 11420041240 |
6 | 1200023043 |
7 | 222145146 |
oct | 63212303 |
9 | 27254430 |
10 | 13440195 |
11 | 764a8aa |
12 | 4601a83 |
13 | 2a276a2 |
14 | 1adc05d |
15 | 12a7430 |
hex | cd14c3 |
13440195 has 32 divisors (see below), whose sum is σ = 24724800. Its totient is φ = 6918912.
The previous prime is 13440187. The next prime is 13440199. The reversal of 13440195 is 59104431.
It is not a de Polignac number, because 13440195 - 23 = 13440187 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (13440199) 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 31 ways as a sum of consecutive naturals, for example, 2199 + ... + 5631.
It is an arithmetic number, because the mean of its divisors is an integer number (772650).
Almost surely, 213440195 is an apocalyptic number.
13440195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13440195 is a deficient number, since it is larger than the sum of its proper divisors (11284605).
13440195 is a wasteful number, since it uses less digits than its factorization.
13440195 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3476 (or 3470 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
The square root of 13440195 is about 3666.0871511736. The cubic root of 13440195 is about 237.7580279708.
The spelling of 13440195 in words is "thirteen million, four hundred forty thousand, one hundred ninety-five".
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