Base | Representation |
---|---|
bin | 110100001001… |
… | …000100011000 |
3 | 221201102211122 |
4 | 310021010120 |
5 | 11444344012 |
6 | 1204544412 |
7 | 224116145 |
oct | 64110430 |
9 | 27642748 |
10 | 13668632 |
11 | 779649a |
12 | 46b2108 |
13 | 2aa7663 |
14 | 1b5b3cc |
15 | 12eee72 |
hex | d09118 |
13668632 has 8 divisors (see below), whose sum is σ = 25628700. Its totient is φ = 6834312.
The previous prime is 13668631. The next prime is 13668637. The reversal of 13668632 is 23686631.
It is a tau number, because it is divible by the number of its divisors (8).
It is a junction number, because it is equal to n+sod(n) for n = 13668592 and 13668601.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13668631) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 854282 + ... + 854297.
Almost surely, 213668632 is an apocalyptic number.
It is an amenable number.
13668632 is a deficient number, since it is larger than the sum of its proper divisors (11960068).
13668632 is a wasteful number, since it uses less digits than its factorization.
13668632 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1708585 (or 1708581 counting only the distinct ones).
The product of its digits is 31104, while the sum is 35.
The square root of 13668632 is about 3697.1113047892. Note that the first 3 decimals coincide. The cubic root of 13668632 is about 239.0974900328.
The spelling of 13668632 in words is "thirteen million, six hundred sixty-eight thousand, six hundred thirty-two".
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