Base | Representation |
---|---|
bin | 100110110111… |
… | …1000111000000 |
3 | 1102100022102112 |
4 | 1031233013000 |
5 | 20204044143 |
6 | 2004434452 |
7 | 335132135 |
oct | 115570700 |
9 | 42308375 |
10 | 20378048 |
11 | 10559369 |
12 | 69a8a28 |
13 | 42b6522 |
14 | 29c658c |
15 | 1bc7e18 |
hex | 136f1c0 |
20378048 has 14 divisors (see below), whose sum is σ = 40437816. Its totient is φ = 10188992.
The previous prime is 20378047. The next prime is 20378093. The reversal of 20378048 is 84087302.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20378047) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159140 + ... + 159267.
Almost surely, 220378048 is an apocalyptic number.
It is an amenable number.
20378048 is a deficient number, since it is larger than the sum of its proper divisors (20059768).
20378048 is an equidigital number, since it uses as much as digits as its factorization.
20378048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 318419 (or 318409 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 32.
The square root of 20378048 is about 4514.2051349047. The cubic root of 20378048 is about 273.1413974100.
The spelling of 20378048 in words is "twenty million, three hundred seventy-eight thousand, forty-eight".
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