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11648109 = 311352973
BaseRepresentation
bin101100011011…
…110001101101
3210220210012110
4230123301231
510440214414
61053354233
7201002334
oct54336155
923823173
1011648109
116636440
123a98979
13254aa95
141792d1b
151051459
hexb1bc6d

11648109 has 8 divisors (see below), whose sum is σ = 16942752. Its totient is φ = 7059440.

The previous prime is 11648093. The next prime is 11648113. The reversal of 11648109 is 90184611.

11648109 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11648109 - 24 = 11648093 is a prime.

It is a super-3 number, since 3×116481093 (a number of 22 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11648149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176454 + ... + 176519.

It is an arithmetic number, because the mean of its divisors is an integer number (2117844).

Almost surely, 211648109 is an apocalyptic number.

It is an amenable number.

11648109 is a deficient number, since it is larger than the sum of its proper divisors (5294643).

11648109 is a wasteful number, since it uses less digits than its factorization.

11648109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352987.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 11648109 is about 3412.9326099412. The cubic root of 11648109 is about 226.6827514057.

The spelling of 11648109 in words is "eleven million, six hundred forty-eight thousand, one hundred nine".

Divisors: 1 3 11 33 352973 1058919 3882703 11648109