Base | Representation |
---|---|
bin | 101110100100… |
… | …101111010100 |
3 | 211222021202012 |
4 | 232210233110 |
5 | 11111142413 |
6 | 1113403352 |
7 | 205530032 |
oct | 56445724 |
9 | 24867665 |
10 | 12209108 |
11 | 698997a |
12 | 4109558 |
13 | 26b6232 |
14 | 189b552 |
15 | 11127a8 |
hex | ba4bd4 |
12209108 has 12 divisors (see below), whose sum is σ = 21390432. Its totient is φ = 6097560.
The previous prime is 12209101. The next prime is 12209137. The reversal of 12209108 is 80190221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12209101) by changing a digit.
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, 5753 + ... + 7583.
It is an arithmetic number, because the mean of its divisors is an integer number (1782536).
Almost surely, 212209108 is an apocalyptic number.
It is an amenable number.
12209108 is a deficient number, since it is larger than the sum of its proper divisors (9181324).
12209108 is a wasteful number, since it uses less digits than its factorization.
12209108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3502 (or 3500 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 23.
The square root of 12209108 is about 3494.1534024710. The cubic root of 12209108 is about 230.2650253111.
Adding to 12209108 its reverse (80190221), we get a palindrome (92399329).
The spelling of 12209108 in words is "twelve million, two hundred nine thousand, one hundred eight".
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