Base | Representation |
---|---|
bin | 101010101110… |
… | …1110000001001 |
3 | 1120011020122200 |
4 | 1111131300021 |
5 | 21213412410 |
6 | 2120110413 |
7 | 361301043 |
oct | 125356011 |
9 | 46136580 |
10 | 22404105 |
11 | 11712599 |
12 | 7605409 |
13 | 4845789 |
14 | 2d92a93 |
15 | 1e783c0 |
hex | 155dc09 |
22404105 has 12 divisors (see below), whose sum is σ = 38833860. Its totient is φ = 11948832.
The previous prime is 22404091. The next prime is 22404119. The reversal of 22404105 is 50140422.
It is an interprime number because it is at equal distance from previous prime (22404091) and next prime (22404119).
It can be written as a sum of positive squares in 2 ways, for example, as 5659641 + 16744464 = 2379^2 + 4092^2 .
It is not a de Polignac number, because 22404105 - 24 = 22404089 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248890 + ... + 248979.
It is an arithmetic number, because the mean of its divisors is an integer number (3236155).
Almost surely, 222404105 is an apocalyptic number.
It is an amenable number.
22404105 is a deficient number, since it is larger than the sum of its proper divisors (16429755).
22404105 is a wasteful number, since it uses less digits than its factorization.
22404105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 497880 (or 497877 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 18.
The square root of 22404105 is about 4733.2974763900. The cubic root of 22404105 is about 281.9091679697.
Adding to 22404105 its reverse (50140422), we get a palindrome (72544527).
The spelling of 22404105 in words is "twenty-two million, four hundred four thousand, one hundred five".
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