Base | Representation |
---|---|
bin | 100111000100… |
… | …0100110111000 |
3 | 1102112121200200 |
4 | 1032020212320 |
5 | 20220414423 |
6 | 2011002200 |
7 | 336045465 |
oct | 116104670 |
9 | 42477620 |
10 | 20482488 |
11 | 1061a884 |
12 | 6a39360 |
13 | 4321c20 |
14 | 2a1266c |
15 | 1be8d43 |
hex | 13889b8 |
20482488 has 96 divisors (see below), whose sum is σ = 60715200. Its totient is φ = 6200064.
The previous prime is 20482481. The next prime is 20482529. The reversal of 20482488 is 88428402.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20482481) 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 23 ways as a sum of consecutive naturals, for example, 73806 + ... + 74082.
It is an arithmetic number, because the mean of its divisors is an integer number (632450).
Almost surely, 220482488 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20482488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30357600).
20482488 is an abundant number, since it is smaller than the sum of its proper divisors (40232712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20482488 is a wasteful number, since it uses less digits than its factorization.
20482488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 381 (or 374 counting only the distinct ones).
The product of its (nonzero) digits is 32768, while the sum is 36.
The square root of 20482488 is about 4525.7582790070. The cubic root of 20482488 is about 273.6072302388.
The spelling of 20482488 in words is "twenty million, four hundred eighty-two thousand, four hundred eighty-eight".
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