Base | Representation |
---|---|
bin | 111111100110… |
… | …010110001000 |
3 | 1011101000212112 |
4 | 333212112020 |
5 | 13232002021 |
6 | 1353201452 |
7 | 261465545 |
oct | 77462610 |
9 | 34330775 |
10 | 16672136 |
11 | 9458028 |
12 | 5700288 |
13 | 35b9790 |
14 | 22ddbcc |
15 | 16e4d5b |
hex | fe6588 |
16672136 has 16 divisors (see below), whose sum is σ = 33665100. Its totient is φ = 7694784.
The previous prime is 16672099. The next prime is 16672147. The reversal of 16672136 is 63127661.
It can be written as a sum of positive squares in 2 ways, for example, as 16048036 + 624100 = 4006^2 + 790^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80051 + ... + 80258.
Almost surely, 216672136 is an apocalyptic number.
It is an amenable number.
16672136 is an abundant number, since it is smaller than the sum of its proper divisors (16992964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16672136 is a wasteful number, since it uses less digits than its factorization.
16672136 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 160328 (or 160324 counting only the distinct ones).
The product of its digits is 9072, while the sum is 32.
The square root of 16672136 is about 4083.1527034878. The cubic root of 16672136 is about 255.4644157535.
Adding to 16672136 its reverse (63127661), we get a palindrome (79799797).
The spelling of 16672136 in words is "sixteen million, six hundred seventy-two thousand, one hundred thirty-six".
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