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5021838 = 23510333
BaseRepresentation
bin10011001010000010001110
3100110010200000
4103022002032
52241144323
6255345130
760453633
oct23120216
910403600
105021838
11291aa88
1218221a6
13106aa03
1494a18a
15692e43
hex4ca08e

5021838 has 24 divisors (see below), whose sum is σ = 11284728. Its totient is φ = 1673784.

The previous prime is 5021837. The next prime is 5021869. The reversal of 5021838 is 8381205.

It is a happy number.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5021837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4681 + ... + 5652.

It is an arithmetic number, because the mean of its divisors is an integer number (470197).

Almost surely, 25021838 is an apocalyptic number.

5021838 is an abundant number, since it is smaller than the sum of its proper divisors (6262890).

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

5021838 is a wasteful number, since it uses less digits than its factorization.

5021838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10350 (or 10338 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 5021838 is about 2240.9457824767. The cubic root of 5021838 is about 171.2461828051.

The spelling of 5021838 in words is "five million, twenty-one thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 10333 20666 30999 61998 92997 185994 278991 557982 836973 1673946 2510919 5021838