Base | Representation |
---|---|
bin | 101110010000… |
… | …000000100101 |
3 | 211210222021100 |
4 | 232100000211 |
5 | 11100433242 |
6 | 1111510313 |
7 | 205024341 |
oct | 56200045 |
9 | 24728240 |
10 | 12124197 |
11 | 69310a8 |
12 | 4088399 |
13 | 26866a7 |
14 | 1878621 |
15 | 10e754c |
hex | b90025 |
12124197 has 24 divisors (see below), whose sum is σ = 18779904. Its totient is φ = 7517664.
The previous prime is 12124183. The next prime is 12124201. The reversal of 12124197 is 79142121.
It is not a de Polignac number, because 12124197 - 210 = 12123173 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12124197.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12124157) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6868 + ... + 8450.
It is an arithmetic number, because the mean of its divisors is an integer number (782496).
Almost surely, 212124197 is an apocalyptic number.
It is an amenable number.
12124197 is a deficient number, since it is larger than the sum of its proper divisors (6655707).
12124197 is a wasteful number, since it uses less digits than its factorization.
12124197 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1649 (or 1646 counting only the distinct ones).
The product of its digits is 1008, while the sum is 27.
The square root of 12124197 is about 3481.9817633066. The cubic root of 12124197 is about 229.7299729591.
It can be divided in two parts, 12124 and 197, that added together give a palindrome (12321).
The spelling of 12124197 in words is "twelve million, one hundred twenty-four thousand, one hundred ninety-seven".
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