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11983040 = 26537447
BaseRepresentation
bin101101101101…
…100011000000
3211112210122022
4231231203000
511031424130
61104501012
7203565656
oct55554300
924483568
1011983040
116845043
12401a768
132637374
14183cdd6
1510ba7e5
hexb6d8c0

11983040 has 28 divisors (see below), whose sum is σ = 28535376. Its totient is φ = 4793088.

The previous prime is 11983033. The next prime is 11983057. The reversal of 11983040 is 4038911.

It is a nialpdrome in base 8.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 18404 + ... + 19043.

Almost surely, 211983040 is an apocalyptic number.

11983040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11983040 is an abundant number, since it is smaller than the sum of its proper divisors (16552336).

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

11983040 is an equidigital number, since it uses as much as digits as its factorization.

11983040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37464 (or 37454 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 11983040 is about 3461.6527844369. The cubic root of 11983040 is about 228.8349401381.

The spelling of 11983040 in words is "eleven million, nine hundred eighty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 37447 74894 149788 187235 299576 374470 599152 748940 1198304 1497880 2396608 2995760 5991520 11983040