Base | Representation |
---|---|
bin | 100110001111… |
… | …0100111111110 |
3 | 1101201120012200 |
4 | 1030132213332 |
5 | 20113022012 |
6 | 1553412330 |
7 | 332260044 |
oct | 114364776 |
9 | 41646180 |
10 | 20048382 |
11 | 10353712 |
12 | 686a0a6 |
13 | 41cc463 |
14 | 293c394 |
15 | 1b603dc |
hex | 131e9fe |
20048382 has 72 divisors (see below), whose sum is σ = 48021480. Its totient is φ = 6026400.
The previous prime is 20048359. The next prime is 20048411. The reversal of 20048382 is 28384002.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 328632 + ... + 328692.
It is an arithmetic number, because the mean of its divisors is an integer number (666965).
Almost surely, 220048382 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20048382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24010740).
20048382 is an abundant number, since it is smaller than the sum of its proper divisors (27973098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20048382 is a wasteful number, since it uses less digits than its factorization.
20048382 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 150 (or 116 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
The square root of 20048382 is about 4477.5419596024. The cubic root of 20048382 is about 271.6604669860.
The spelling of 20048382 in words is "twenty million, forty-eight thousand, three hundred eighty-two".
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