Base | Representation |
---|---|
bin | 100111100101… |
… | …0111010110110 |
3 | 1110001102021110 |
4 | 1033022322312 |
5 | 20303112402 |
6 | 2020455450 |
7 | 341256405 |
oct | 117127266 |
9 | 43042243 |
10 | 20754102 |
11 | 10795956 |
12 | 6b4a586 |
13 | 43b8745 |
14 | 2a8363c |
15 | 1c4e56c |
hex | 13caeb6 |
20754102 has 8 divisors (see below), whose sum is σ = 41508216. Its totient is φ = 6918032.
The previous prime is 20754101. The next prime is 20754103. The reversal of 20754102 is 20145702.
It is an interprime number because it is at equal distance from previous prime (20754101) and next prime (20754103).
It is a sphenic number, since it is the product of 3 distinct primes.
20754102 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20754101) 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, 1729503 + ... + 1729514.
It is an arithmetic number, because the mean of its divisors is an integer number (5188527).
Almost surely, 220754102 is an apocalyptic number.
20754102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20754102 is a wasteful number, since it uses less digits than its factorization.
20754102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3459022.
The product of its (nonzero) digits is 560, while the sum is 21.
The square root of 20754102 is about 4555.6670203166. The cubic root of 20754102 is about 274.8113394718.
Adding to 20754102 its reverse (20145702), we get a palindrome (40899804).
Subtracting from 20754102 its reverse (20145702), we obtain a square (608400 = 7802).
The spelling of 20754102 in words is "twenty million, seven hundred fifty-four thousand, one hundred two".
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