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11999982 = 2319105263
BaseRepresentation
bin101101110001…
…101011101110
3211120122212210
4231301223232
511032444412
61105111250
7203666241
oct55615356
924518783
1011999982
116856845
124028526
132641ca7
141845258
1510c083c
hexb71aee

11999982 has 16 divisors (see below), whose sum is σ = 25263360. Its totient is φ = 3789432.

The previous prime is 11999941. The next prime is 11999987. The reversal of 11999982 is 28999911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11999987) 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, 52518 + ... + 52745.

It is an arithmetic number, because the mean of its divisors is an integer number (1578960).

Almost surely, 211999982 is an apocalyptic number.

11999982 is an abundant number, since it is smaller than the sum of its proper divisors (13263378).

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

11999982 is a wasteful number, since it uses less digits than its factorization.

11999982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105287.

The product of its digits is 104976, while the sum is 48.

The square root of 11999982 is about 3464.0990170606. The cubic root of 11999982 is about 228.9427340392.

The spelling of 11999982 in words is "eleven million, nine hundred ninety-nine thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 19 38 57 114 105263 210526 315789 631578 1999997 3999994 5999991 11999982