Base | Representation |
---|---|
bin | 100110011101… |
… | …0011110010010 |
3 | 1101221100200102 |
4 | 1030322132102 |
5 | 20130144300 |
6 | 2000052402 |
7 | 333243440 |
oct | 114723622 |
9 | 41840612 |
10 | 20162450 |
11 | 10421390 |
12 | 6904102 |
13 | 423c359 |
14 | 296bb90 |
15 | 1b840d5 |
hex | 133a792 |
20162450 has 48 divisors (see below), whose sum is σ = 46764864. Its totient is φ = 6283200.
The previous prime is 20162449. The next prime is 20162489. The reversal of 20162450 is 5426102.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1232 + ... + 6468.
It is an arithmetic number, because the mean of its divisors is an integer number (974268).
Almost surely, 220162450 is an apocalyptic number.
20162450 is an abundant number, since it is smaller than the sum of its proper divisors (26602414).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20162450 is a wasteful number, since it uses less digits than its factorization.
20162450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5267 (or 5262 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 20162450 is about 4490.2616850246. The cubic root of 20162450 is about 272.1747093408.
Adding to 20162450 its reverse (5426102), we get a palindrome (25588552).
The spelling of 20162450 in words is "twenty million, one hundred sixty-two thousand, four hundred fifty".
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