Base | Representation |
---|---|
bin | 110000110010… |
… | …100010111100 |
3 | 220001210111210 |
4 | 300302202330 |
5 | 11233234243 |
6 | 1134044420 |
7 | 213466323 |
oct | 60624274 |
9 | 26053453 |
10 | 12789948 |
11 | 7246306 |
12 | 4349710 |
13 | 285a722 |
14 | 19ad0ba |
15 | 11c9933 |
hex | c328bc |
12789948 has 12 divisors (see below), whose sum is σ = 29843240. Its totient is φ = 4263312.
The previous prime is 12789947. The next prime is 12789971. The reversal of 12789948 is 84998721.
It is a tau number, because it is divible by the number of its divisors (12).
It is a junction number, because it is equal to n+sod(n) for n = 12789897 and 12789906.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12789943) 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 3 ways as a sum of consecutive naturals, for example, 532903 + ... + 532926.
Almost surely, 212789948 is an apocalyptic number.
It is an amenable number.
12789948 is an abundant number, since it is smaller than the sum of its proper divisors (17053292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12789948 is a wasteful number, since it uses less digits than its factorization.
12789948 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1065836 (or 1065834 counting only the distinct ones).
The product of its digits is 290304, while the sum is 48.
The square root of 12789948 is about 3576.3036783808. The cubic root of 12789948 is about 233.8601692160.
The spelling of 12789948 in words is "twelve million, seven hundred eighty-nine thousand, nine hundred forty-eight".
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