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11881424 = 247110459
BaseRepresentation
bin101101010100…
…101111010000
3211100122020202
4231110233100
511020201144
61102354332
7202663502
oct55245720
924318222
1011881424
116785765
123b8b9a8
132600039
141813d72
15109a64e
hexb54bd0

11881424 has 20 divisors (see below), whose sum is σ = 23346720. Its totient is φ = 5856480.

The previous prime is 11881423. The next prime is 11881427. The reversal of 11881424 is 42418811.

It is a happy number.

11881424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11881421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4094 + ... + 6365.

It is an arithmetic number, because the mean of its divisors is an integer number (1167336).

Almost surely, 211881424 is an apocalyptic number.

It is an amenable number.

11881424 is a deficient number, since it is larger than the sum of its proper divisors (11465296).

11881424 is a wasteful number, since it uses less digits than its factorization.

11881424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10538 (or 10532 counting only the distinct ones).

The product of its digits is 2048, while the sum is 29.

The square root of 11881424 is about 3446.9441538847. The cubic root of 11881424 is about 228.1862641237.

The spelling of 11881424 in words is "eleven million, eight hundred eighty-one thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 71 142 284 568 1136 10459 20918 41836 83672 167344 742589 1485178 2970356 5940712 11881424