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4403142 = 232244619
BaseRepresentation
bin10000110010111111000110
322021200222100
4100302333012
52111400032
6234212530
752266102
oct20627706
98250870
104403142
112538167
121584146
13bb2213
14828902
155be97c
hex432fc6

4403142 has 12 divisors (see below), whose sum is σ = 9540180. Its totient is φ = 1467708.

The previous prime is 4403129. The next prime is 4403149. The reversal of 4403142 is 2413044.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 244619 = 4403142 / (4 + 4 + 0 + 3 + 1 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4403149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122292 + ... + 122327.

It is an arithmetic number, because the mean of its divisors is an integer number (795015).

Almost surely, 24403142 is an apocalyptic number.

4403142 is an abundant number, since it is smaller than the sum of its proper divisors (5137038).

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

4403142 is a wasteful number, since it uses less digits than its factorization.

4403142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244627 (or 244624 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4403142 is about 2098.3665075482. The cubic root of 4403142 is about 163.9032494976.

Adding to 4403142 its reverse (2413044), we get a palindrome (6816186).

The spelling of 4403142 in words is "four million, four hundred three thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 244619 489238 733857 1467714 2201571 4403142