Base | Representation |
---|---|
bin | 100110011000… |
… | …1111000010010 |
3 | 1101212120101201 |
4 | 1030301320102 |
5 | 20123033000 |
6 | 1555221414 |
7 | 333036013 |
oct | 114617022 |
9 | 41776351 |
10 | 20127250 |
11 | 103a79a0 |
12 | 68a786a |
13 | 4229320 |
14 | 295d00a |
15 | 1b7896a |
hex | 1331e12 |
20127250 has 64 divisors (see below), whose sum is σ = 44343936. Its totient is φ = 6744000.
The previous prime is 20127203. The next prime is 20127253. The reversal of 20127250 is 5272102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20127253) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35469 + ... + 36031.
It is an arithmetic number, because the mean of its divisors is an integer number (692874).
Almost surely, 220127250 is an apocalyptic number.
20127250 is an abundant number, since it is smaller than the sum of its proper divisors (24216686).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20127250 is a wasteful number, since it uses less digits than its factorization.
20127250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 604 (or 594 counting only the distinct ones).
The product of its (nonzero) digits is 280, while the sum is 19.
The square root of 20127250 is about 4486.3403794184. The cubic root of 20127250 is about 272.0162277660.
Adding to 20127250 its reverse (5272102), we get a palindrome (25399352).
The spelling of 20127250 in words is "twenty million, one hundred twenty-seven thousand, two hundred fifty".
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