Base | Representation |
---|---|
bin | 101110101010… |
… | …010100001100 |
3 | 212000110002010 |
4 | 232222110030 |
5 | 11112410243 |
6 | 1114101220 |
7 | 205653441 |
oct | 56522414 |
9 | 25013063 |
10 | 12231948 |
11 | 69a5053 |
12 | 411a810 |
13 | 26c3751 |
14 | 18a59c8 |
15 | 1119433 |
hex | baa50c |
12231948 has 12 divisors (see below), whose sum is σ = 28541240. Its totient is φ = 4077312.
The previous prime is 12231943. The next prime is 12231977. The reversal of 12231948 is 84913221.
It is a tau number, because it is divible by the number of its divisors (12).
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (12231943) 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, 509653 + ... + 509676.
Almost surely, 212231948 is an apocalyptic number.
It is an amenable number.
12231948 is an abundant number, since it is smaller than the sum of its proper divisors (16309292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12231948 is a wasteful number, since it uses less digits than its factorization.
12231948 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1019336 (or 1019334 counting only the distinct ones).
The product of its digits is 3456, while the sum is 30.
The square root of 12231948 is about 3497.4201920844. The cubic root of 12231948 is about 230.4085241107.
The spelling of 12231948 in words is "twelve million, two hundred thirty-one thousand, nine hundred forty-eight".
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