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11909883 = 323172607
BaseRepresentation
bin101101011011…
…101011111011
3211102002021210
4231123223323
511022104013
61103134203
7203142456
oct55335373
924362253
1011909883
1167a5087
123ba4363
13260cc8b
14182049d
1510a3cc3
hexb5bafb

11909883 has 8 divisors (see below), whose sum is σ = 16570368. Its totient is φ = 7594664.

The previous prime is 11909879. The next prime is 11909897. The reversal of 11909883 is 38890911.

It is a happy number.

11909883 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 11909883 - 22 = 11909879 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11909813) 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, 86235 + ... + 86372.

It is an arithmetic number, because the mean of its divisors is an integer number (2071296).

Almost surely, 211909883 is an apocalyptic number.

11909883 is a deficient number, since it is larger than the sum of its proper divisors (4660485).

11909883 is a wasteful number, since it uses less digits than its factorization.

11909883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172633.

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 11909883 is about 3451.0698341239. The cubic root of 11909883 is about 228.3683066941.

The spelling of 11909883 in words is "eleven million, nine hundred nine thousand, eight hundred eighty-three".

Divisors: 1 3 23 69 172607 517821 3969961 11909883