Base | Representation |
---|---|
bin | 1100110000011… |
… | …00000100111101 |
3 | 21110100101012022 |
4 | 12120030010331 |
5 | 204343113341 |
6 | 14341245525 |
7 | 2436343442 |
oct | 630140475 |
9 | 243311168 |
10 | 107004221 |
11 | 55445945 |
12 | 2ba038a5 |
13 | 1922690c |
14 | 102d59c9 |
15 | 95d9e4b |
hex | 660c13d |
107004221 has 4 divisors (see below), whose sum is σ = 107146332. Its totient is φ = 106862112.
The previous prime is 107004199. The next prime is 107004251. The reversal of 107004221 is 122400701.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 78765625 + 28238596 = 8875^2 + 5314^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-107004221 is a prime.
It is a super-2 number, since 2×1070042212 = 22899806623633682, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 107004221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (107004251) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69920 + ... + 71433.
It is an arithmetic number, because the mean of its divisors is an integer number (26786583).
Almost surely, 2107004221 is an apocalyptic number.
It is an amenable number.
107004221 is a deficient number, since it is larger than the sum of its proper divisors (142111).
107004221 is an equidigital number, since it uses as much as digits as its factorization.
107004221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 142110.
The product of its (nonzero) digits is 112, while the sum is 17.
The square root of 107004221 is about 10344.2844605125. The cubic root of 107004221 is about 474.7521824575.
Adding to 107004221 its reverse (122400701), we get a palindrome (229404922).
The spelling of 107004221 in words is "one hundred seven million, four thousand, two hundred twenty-one".
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