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11320149 = 322316921
BaseRepresentation
bin101011001011…
…101101010101
3210022010022210
4223023231111
510344221044
61042344033
7165135231
oct53135525
923263283
1011320149
116431aa5
12395b019
132464719
1417095c1
15ed91b9
hexacbb55

11320149 has 8 divisors (see below), whose sum is σ = 15162112. Its totient is φ = 7512480.

The previous prime is 11320129. The next prime is 11320151. The reversal of 11320149 is 94102311.

Added to its reverse (94102311) it gives a triangular number (105422460 = T14520).

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

It is not a de Polignac number, because 11320149 - 219 = 10795861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320129) 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, 7792 + ... + 9129.

It is an arithmetic number, because the mean of its divisors is an integer number (1895264).

Almost surely, 211320149 is an apocalyptic number.

It is an amenable number.

11320149 is a deficient number, since it is larger than the sum of its proper divisors (3841963).

11320149 is a wasteful number, since it uses less digits than its factorization.

11320149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17147.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 11320149 is about 3364.5429110059. The cubic root of 11320149 is about 224.5350001565.

Adding to 11320149 its reverse (94102311), we get a triangular number (105422460 = T14520).

The spelling of 11320149 in words is "eleven million, three hundred twenty thousand, one hundred forty-nine".

Divisors: 1 3 223 669 16921 50763 3773383 11320149