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11884240 = 245149997
BaseRepresentation
bin101101010101…
…011011010000
3211100210010001
4231111123100
511020243430
61102415344
7203004634
oct55253320
924323101
1011884240
116787895
123b91554
1326013c4
141814dc4
15109b3ca
hexb556d0

11884240 has 40 divisors (see below), whose sum is σ = 27844200. Its totient is φ = 4717056.

The previous prime is 11884237. The next prime is 11884267. The reversal of 11884240 is 4248811.

11884240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1073296 + 10810944 = 1036^2 + 3288^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 11884199 and 11884208.

It is a congruent number.

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, 11422 + ... + 12418.

It is an arithmetic number, because the mean of its divisors is an integer number (696105).

Almost surely, 211884240 is an apocalyptic number.

11884240 is a gapful number since it is divisible by the number (10) 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 11884240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13922100).

11884240 is an abundant number, since it is smaller than the sum of its proper divisors (15959960).

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

11884240 is a wasteful number, since it uses less digits than its factorization.

11884240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159 (or 1153 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 11884240 is about 3447.3526074366. The cubic root of 11884240 is about 228.2042900708.

The spelling of 11884240 in words is "eleven million, eight hundred eighty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 149 298 596 745 997 1192 1490 1994 2384 2980 3988 4985 5960 7976 9970 11920 15952 19940 39880 79760 148553 297106 594212 742765 1188424 1485530 2376848 2971060 5942120 11884240