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11988924 = 2231952583
BaseRepresentation
bin101101101110…
…111110111100
3211120002201020
4231232332330
511032121144
61104544140
7203622063
oct55567674
924502636
1011988924
116849502
124022050
132639c4c
1418411da
1510bc419
hexb6efbc

11988924 has 24 divisors (see below), whose sum is σ = 29447040. Its totient is φ = 3785904.

The previous prime is 11988917. The next prime is 11988929. The reversal of 11988924 is 42988911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11988929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26064 + ... + 26519.

It is an arithmetic number, because the mean of its divisors is an integer number (1226960).

Almost surely, 211988924 is an apocalyptic number.

It is an amenable number.

11988924 is an abundant number, since it is smaller than the sum of its proper divisors (17458116).

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

11988924 is a wasteful number, since it uses less digits than its factorization.

11988924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52609 (or 52607 counting only the distinct ones).

The product of its digits is 41472, while the sum is 42.

The square root of 11988924 is about 3462.5025631759. The cubic root of 11988924 is about 228.8723887450.

The spelling of 11988924 in words is "eleven million, nine hundred eighty-eight thousand, nine hundred twenty-four".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 52583 105166 157749 210332 315498 630996 999077 1998154 2997231 3996308 5994462 11988924