Base | Representation |
---|---|
bin | 101110101010… |
… | …010001000100 |
3 | 212000102210201 |
4 | 232222101010 |
5 | 11112403443 |
6 | 1114100244 |
7 | 205653034 |
oct | 56522104 |
9 | 25012721 |
10 | 12231748 |
11 | 69a4991 |
12 | 411a684 |
13 | 26c3629 |
14 | 18a58c4 |
15 | 111934d |
hex | baa444 |
12231748 has 12 divisors (see below), whose sum is σ = 21534912. Its totient is φ = 6078920.
The previous prime is 12231733. The next prime is 12231757. The reversal of 12231748 is 84713221.
It is a nialpdrome in base 16.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8488 + ... + 9823.
It is an arithmetic number, because the mean of its divisors is an integer number (1794576).
Almost surely, 212231748 is an apocalyptic number.
It is an amenable number.
12231748 is a deficient number, since it is larger than the sum of its proper divisors (9303164).
12231748 is a wasteful number, since it uses less digits than its factorization.
12231748 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18482 (or 18480 counting only the distinct ones).
The product of its digits is 2688, while the sum is 28.
The square root of 12231748 is about 3497.3915994638. The cubic root of 12231748 is about 230.4072683294.
Adding to 12231748 its reverse (84713221), we get a palindrome (96944969).
The spelling of 12231748 in words is "twelve million, two hundred thirty-one thousand, seven hundred forty-eight".
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