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11197842 = 231866307
BaseRepresentation
bin101010101101…
…110110010010
3210001220112220
4222231312102
510331312332
61040001510
7164115525
oct52556622
923056486
1011197842
116359117
123900296
132420b56
1416b6bbc
15eb2d2c
hexaadd92

11197842 has 8 divisors (see below), whose sum is σ = 22395696. Its totient is φ = 3732612.

The previous prime is 11197829. The next prime is 11197847. The reversal of 11197842 is 24879111.

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

11197842 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11197847) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 933148 + ... + 933159.

It is an arithmetic number, because the mean of its divisors is an integer number (2799462).

Almost surely, 211197842 is an apocalyptic number.

11197842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11197842 is a wasteful number, since it uses less digits than its factorization.

11197842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866312.

The product of its digits is 4032, while the sum is 33.

The square root of 11197842 is about 3346.3176776869. The cubic root of 11197842 is about 223.7234176674.

The spelling of 11197842 in words is "eleven million, one hundred ninety-seven thousand, eight hundred forty-two".

Divisors: 1 2 3 6 1866307 3732614 5598921 11197842