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11447472 = 243713359
BaseRepresentation
bin101011101010…
…110010110000
3210112120222110
4223222302300
510412304342
61045205320
7166205361
oct53526260
923476873
1011447472
116509723
123a00840
1324aa66a
14173db68
151011c9c
hexaeacb0

11447472 has 40 divisors (see below), whose sum is σ = 29998080. Its totient is φ = 3760960.

The previous prime is 11447459. The next prime is 11447483. The reversal of 11447472 is 27474411.

11447472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1729 + ... + 5087.

It is an arithmetic number, because the mean of its divisors is an integer number (749952).

Almost surely, 211447472 is an apocalyptic number.

11447472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11447472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14999040).

11447472 is an abundant number, since it is smaller than the sum of its proper divisors (18550608).

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

11447472 is a wasteful number, since it uses less digits than its factorization.

11447472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3441 (or 3435 counting only the distinct ones).

The product of its digits is 6272, while the sum is 30.

The square root of 11447472 is about 3383.4112963103. The cubic root of 11447472 is about 225.3736802823.

It can be divided in two parts, 114 and 47472, that added together give a triangular number (47586 = T308).

The spelling of 11447472 in words is "eleven million, four hundred forty-seven thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 71 142 213 284 426 568 852 1136 1704 3359 3408 6718 10077 13436 20154 26872 40308 53744 80616 161232 238489 476978 715467 953956 1430934 1907912 2861868 3815824 5723736 11447472