Base | Representation |
---|---|
bin | 110011101010… |
… | …001100110101 |
3 | 221111000101212 |
4 | 303222030311 |
5 | 11431322242 |
6 | 1202131205 |
7 | 223051424 |
oct | 63521465 |
9 | 27430355 |
10 | 13542197 |
11 | 770a4a9 |
12 | 4650b05 |
13 | 2a61c46 |
14 | 1b272bb |
15 | 12c7782 |
hex | cea335 |
13542197 has 8 divisors (see below), whose sum is σ = 13801536. Its totient is φ = 13285312.
The previous prime is 13542161. The next prime is 13542209. The reversal of 13542197 is 79124531.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13542197 - 222 = 9347893 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13542097) 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 7 ways as a sum of consecutive naturals, for example, 13373 + ... + 14349.
It is an arithmetic number, because the mean of its divisors is an integer number (1725192).
Almost surely, 213542197 is an apocalyptic number.
It is an amenable number.
13542197 is a deficient number, since it is larger than the sum of its proper divisors (259339).
13542197 is an equidigital number, since it uses as much as digits as its factorization.
13542197 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1227.
The product of its digits is 7560, while the sum is 32.
The square root of 13542197 is about 3679.9724183749. The cubic root of 13542197 is about 238.3579870281.
The spelling of 13542197 in words is "thirteen million, five hundred forty-two thousand, one hundred ninety-seven".
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