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11444380 = 2253891471
BaseRepresentation
bin101011101010…
…000010011100
3210112102201221
4223222002130
510412210010
61045143124
7166163353
oct53520234
923472657
1011444380
116507372
1239baaa4
1324a912c
14173c99a
151010dda
hexaea09c

11444380 has 24 divisors (see below), whose sum is σ = 24111360. Its totient is φ = 4562880.

The previous prime is 11444369. The next prime is 11444387. The reversal of 11444380 is 8344411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11444387) 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 7 ways as a sum of consecutive naturals, for example, 7045 + ... + 8515.

It is an arithmetic number, because the mean of its divisors is an integer number (1004640).

Almost surely, 211444380 is an apocalyptic number.

11444380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11444380 is an abundant number, since it is smaller than the sum of its proper divisors (12666980).

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

11444380 is a wasteful number, since it uses less digits than its factorization.

11444380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869 (or 1867 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 11444380 is about 3382.9543301676. The cubic root of 11444380 is about 225.3533870633.

Adding to 11444380 its reverse (8344411), we get a palindrome (19788791).

The spelling of 11444380 in words is "eleven million, four hundred forty-four thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 389 778 1471 1556 1945 2942 3890 5884 7355 7780 14710 29420 572219 1144438 2288876 2861095 5722190 11444380