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3138848 = 25472087
BaseRepresentation
bin1011111110010100100000
312220110200122
423332110200
51300420343
6151135412
735452106
oct13762440
95813618
103138848
111854299
121074568
1385b90b
145b9c76
15420068
hex2fe520

3138848 has 24 divisors (see below), whose sum is σ = 6314112. Its totient is φ = 1535296.

The previous prime is 3138847. The next prime is 3138851. The reversal of 3138848 is 8488313.

3138848 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3138847) 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 3 ways as a sum of consecutive naturals, for example, 461 + ... + 2547.

It is an arithmetic number, because the mean of its divisors is an integer number (263088).

Almost surely, 23138848 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 3138848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3157056).

3138848 is an abundant number, since it is smaller than the sum of its proper divisors (3175264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3138848 is a wasteful number, since it uses less digits than its factorization.

3138848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144 (or 2136 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 3138848 is about 1771.6794292422. The cubic root of 3138848 is about 146.4165249544.

The spelling of 3138848 in words is "three million, one hundred thirty-eight thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 16 32 47 94 188 376 752 1504 2087 4174 8348 16696 33392 66784 98089 196178 392356 784712 1569424 3138848