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11999088 = 2432103809
BaseRepresentation
bin101101110001…
…011101110000
3211120121122200
4231301131300
511032432323
61105103200
7203663523
oct55613560
924517580
1011999088
116856102
124027b00
13264176a
141844bba
1510c0443
hexb71770

11999088 has 60 divisors (see below), whose sum is σ = 33948720. Its totient is φ = 3955968.

The previous prime is 11999027. The next prime is 11999111. The reversal of 11999088 is 88099911.

It is a super-2 number, since 2×119990882 = 287956225663488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14428 + ... + 15236.

It is an arithmetic number, because the mean of its divisors is an integer number (565812).

Almost surely, 211999088 is an apocalyptic number.

11999088 is a gapful number since it is divisible by the number (18) 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 11999088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16974360).

11999088 is an abundant number, since it is smaller than the sum of its proper divisors (21949632).

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

11999088 is a wasteful number, since it uses less digits than its factorization.

11999088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926 (or 917 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 45.

The square root of 11999088 is about 3463.9699767752. The cubic root of 11999088 is about 228.9370484782.

The spelling of 11999088 in words is "eleven million, nine hundred ninety-nine thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 103 144 206 309 412 618 809 824 927 1236 1618 1648 1854 2427 2472 3236 3708 4854 4944 6472 7281 7416 9708 12944 14562 14832 19416 29124 38832 58248 83327 116496 166654 249981 333308 499962 666616 749943 999924 1333232 1499886 1999848 2999772 3999696 5999544 11999088