Base | Representation |
---|---|
bin | 110100000110… |
… | …100000100101 |
3 | 221200220110101 |
4 | 310012200211 |
5 | 11444030044 |
6 | 1204424101 |
7 | 224043451 |
oct | 64064045 |
9 | 27626411 |
10 | 13658149 |
11 | 778962a |
12 | 46a8031 |
13 | 2aa295b |
14 | 1b57661 |
15 | 12ebcd4 |
hex | d06825 |
13658149 has 4 divisors (see below), whose sum is σ = 13677664. Its totient is φ = 13638636.
The previous prime is 13658111. The next prime is 13658171. The reversal of 13658149 is 94185631.
13658149 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 13658149 - 213 = 13649957 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 (13650149) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8667 + ... + 10120.
It is an arithmetic number, because the mean of its divisors is an integer number (3419416).
Almost surely, 213658149 is an apocalyptic number.
It is an amenable number.
13658149 is a deficient number, since it is larger than the sum of its proper divisors (19515).
13658149 is an equidigital number, since it uses as much as digits as its factorization.
13658149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19514.
The product of its digits is 25920, while the sum is 37.
The square root of 13658149 is about 3695.6933043747. The cubic root of 13658149 is about 239.0363500438.
It can be divided in two parts, 136 and 58149, that added together give a palindrome (58285).
The spelling of 13658149 in words is "thirteen million, six hundred fifty-eight thousand, one hundred forty-nine".
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