Base | Representation |
---|---|
bin | 110011101010… |
… | …101011001110 |
3 | 221111010001220 |
4 | 303222223032 |
5 | 11431403032 |
6 | 1202144210 |
7 | 223060203 |
oct | 63525316 |
9 | 27433056 |
10 | 13544142 |
11 | 7710a07 |
12 | 4652066 |
13 | 2a62ab1 |
14 | 1b27caa |
15 | 12c812c |
hex | ceaace |
13544142 has 16 divisors (see below), whose sum is σ = 27177552. Its totient is φ = 4499840.
The previous prime is 13544137. The next prime is 13544143. The reversal of 13544142 is 24144531.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13544143) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1659 + ... + 5462.
It is an arithmetic number, because the mean of its divisors is an integer number (1698597).
Almost surely, 213544142 is an apocalyptic number.
13544142 is an abundant number, since it is smaller than the sum of its proper divisors (13633410).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13544142 is a wasteful number, since it uses less digits than its factorization.
13544142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7443.
The product of its digits is 1920, while the sum is 24.
The square root of 13544142 is about 3680.2366771717. The cubic root of 13544142 is about 238.3693978819.
Adding to 13544142 its reverse (24144531), we get a palindrome (37688673).
The spelling of 13544142 in words is "thirteen million, five hundred forty-four thousand, one hundred forty-two".
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