Base | Representation |
---|---|
bin | 1110110011010… |
… | …01100001111101 |
3 | 22122122012021212 |
4 | 13121221201331 |
5 | 223241223341 |
6 | 20153134205 |
7 | 3035243546 |
oct | 731514175 |
9 | 278565255 |
10 | 124164221 |
11 | 640a6465 |
12 | 356ba365 |
13 | 1c95446c |
14 | 126c14cd |
15 | ad795eb |
hex | 766987d |
124164221 has 8 divisors (see below), whose sum is σ = 132355200. Its totient is φ = 116138880.
The previous prime is 124164211. The next prime is 124164239. The reversal of 124164221 is 122461421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-124164221 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124164211) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39860 + ... + 42861.
It is an arithmetic number, because the mean of its divisors is an integer number (16544400).
Almost surely, 2124164221 is an apocalyptic number.
It is an amenable number.
124164221 is a deficient number, since it is larger than the sum of its proper divisors (8190979).
124164221 is an equidigital number, since it uses as much as digits as its factorization.
124164221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82819.
The product of its digits is 768, while the sum is 23.
The square root of 124164221 is about 11142.9000264743. The cubic root of 124164221 is about 498.8831350831.
The spelling of 124164221 in words is "one hundred twenty-four million, one hundred sixty-four thousand, two hundred twenty-one".
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