Base | Representation |
---|---|
bin | 110100010110… |
… | …100110010001 |
3 | 221211020212010 |
4 | 310112212101 |
5 | 12003132144 |
6 | 1210053133 |
7 | 224436543 |
oct | 64264621 |
9 | 27736763 |
10 | 13724049 |
11 | 7824099 |
12 | 471a1a9 |
13 | 2ac6951 |
14 | 1b73693 |
15 | 13115b9 |
hex | d16991 |
13724049 has 16 divisors (see below), whose sum is σ = 19707840. Its totient is φ = 8463360.
The previous prime is 13724027. The next prime is 13724059. The reversal of 13724049 is 94042731.
It is a happy number.
It is not a de Polignac number, because 13724049 - 25 = 13724017 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13724059) 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, 729 + ... + 5289.
It is an arithmetic number, because the mean of its divisors is an integer number (1231740).
Almost surely, 213724049 is an apocalyptic number.
It is an amenable number.
13724049 is a deficient number, since it is larger than the sum of its proper divisors (5983791).
13724049 is a wasteful number, since it uses less digits than its factorization.
13724049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4640.
The product of its (nonzero) digits is 6048, while the sum is 30.
The square root of 13724049 is about 3704.5983587968. The cubic root of 13724049 is about 239.4201801933.
The spelling of 13724049 in words is "thirteen million, seven hundred twenty-four thousand, forty-nine".
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