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11201923 = 73173887
BaseRepresentation
bin101010101110…
…110110000011
3210002010011001
4222232312003
510331430143
61040032431
7164133445
oct52566603
923063131
1011201923
116361197
123902717
132422975
1416b8495
15eb414d
hexaaed83

11201923 has 8 divisors (see below), whose sum is σ = 11433888. Its totient is φ = 10972224.

The previous prime is 11201893. The next prime is 11201947. The reversal of 11201923 is 32910211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11201923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11201923.

It is not an unprimeable number, because it can be changed into a prime (11201123) 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 7 ways as a sum of consecutive naturals, for example, 12186 + ... + 13072.

It is an arithmetic number, because the mean of its divisors is an integer number (1429236).

Almost surely, 211201923 is an apocalyptic number.

11201923 is a deficient number, since it is larger than the sum of its proper divisors (231965).

11201923 is an equidigital number, since it uses as much as digits as its factorization.

11201923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 11201923 is about 3346.9273968821. The cubic root of 11201923 is about 223.7505926766.

The spelling of 11201923 in words is "eleven million, two hundred one thousand, nine hundred twenty-three".

Divisors: 1 73 173 887 12629 64751 153451 11201923