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4131444 = 2232314969
BaseRepresentation
bin1111110000101001110100
321202220021110
433300221310
52024201234
6224315020
750055012
oct17605164
97686243
104131444
112372019
121472a70
13b18655
147978b2
155691e9
hex3f0a74

4131444 has 24 divisors (see below), whose sum is σ = 10059840. Its totient is φ = 1317184.

The previous prime is 4131443. The next prime is 4131451. The reversal of 4131444 is 4441314.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 4131444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4131443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7209 + ... + 7760.

It is an arithmetic number, because the mean of its divisors is an integer number (419160).

Almost surely, 24131444 is an apocalyptic number.

It is an amenable number.

4131444 is an abundant number, since it is smaller than the sum of its proper divisors (5928396).

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

4131444 is a wasteful number, since it uses less digits than its factorization.

4131444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14999 (or 14997 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 4131444 is about 2032.5953852157. The cubic root of 4131444 is about 160.4601855804.

Adding to 4131444 its reverse (4441314), we get a palindrome (8572758).

The spelling of 4131444 in words is "four million, one hundred thirty-one thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 14969 29938 44907 59876 89814 179628 344287 688574 1032861 1377148 2065722 4131444