Base | Representation |
---|---|
bin | 100110010111… |
… | …0110000001101 |
3 | 1101211220211110 |
4 | 1030232300031 |
5 | 20122130240 |
6 | 1555042233 |
7 | 332653461 |
oct | 114566015 |
9 | 41756743 |
10 | 20114445 |
11 | 1039930a |
12 | 68a0379 |
13 | 4223550 |
14 | 29584a1 |
15 | 1b74c80 |
hex | 132ec0d |
20114445 has 64 divisors (see below), whose sum is σ = 37497600. Its totient is φ = 9123840.
The previous prime is 20114399. The next prime is 20114447. The reversal of 20114445 is 54441102.
It is a happy number.
It is not a de Polignac number, because 20114445 - 27 = 20114317 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20114447) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 225961 + ... + 226049.
It is an arithmetic number, because the mean of its divisors is an integer number (585900).
Almost surely, 220114445 is an apocalyptic number.
It is an amenable number.
20114445 is a deficient number, since it is larger than the sum of its proper divisors (17383155).
20114445 is a wasteful number, since it uses less digits than its factorization.
20114445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 190.
The product of its (nonzero) digits is 640, while the sum is 21.
The square root of 20114445 is about 4484.9130426353. The cubic root of 20114445 is about 271.9585297575.
Adding to 20114445 its reverse (54441102), we get a palindrome (74555547).
The spelling of 20114445 in words is "twenty million, one hundred fourteen thousand, four hundred forty-five".
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