Base | Representation |
---|---|
bin | 110100111010… |
… | …001001101000 |
3 | 222002122121120 |
4 | 310322021220 |
5 | 12022312142 |
6 | 1213135240 |
7 | 225614235 |
oct | 64721150 |
9 | 28078546 |
10 | 13869672 |
11 | 7913543 |
12 | 478a520 |
13 | 2b4800b |
14 | 1bb078c |
15 | 133e7ec |
hex | d3a268 |
13869672 has 32 divisors (see below), whose sum is σ = 35613600. Its totient is φ = 4497984.
The previous prime is 13869649. The next prime is 13869673. The reversal of 13869672 is 27696831.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (13869673) 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 7 ways as a sum of consecutive naturals, for example, 6922 + ... + 8697.
It is an arithmetic number, because the mean of its divisors is an integer number (1112925).
Almost surely, 213869672 is an apocalyptic number.
13869672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13869672 is an abundant number, since it is smaller than the sum of its proper divisors (21743928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13869672 is a wasteful number, since it uses less digits than its factorization.
13869672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15665 (or 15661 counting only the distinct ones).
The product of its digits is 108864, while the sum is 42.
The square root of 13869672 is about 3724.2008538746. The cubic root of 13869672 is about 240.2640150160.
It can be divided in two parts, 13869 and 672, that added together give a palindrome (14541).
The spelling of 13869672 in words is "thirteen million, eight hundred sixty-nine thousand, six hundred seventy-two".
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