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11908149 = 311360853
BaseRepresentation
bin101101011011…
…010000110101
3211101222220120
4231123100311
511022030044
61103122153
7203134431
oct55332065
924358816
1011908149
1167a3850
123ba3359
13260c256
14181d9c1
1510a3519
hexb5b435

11908149 has 8 divisors (see below), whose sum is σ = 17320992. Its totient is φ = 7217040.

The previous prime is 11908133. The next prime is 11908157. The reversal of 11908149 is 94180911.

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

It is not a de Polignac number, because 11908149 - 24 = 11908133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 360853 = 11908149 / (1 + 1 + 9 + 0 + 8 + 1 + 4 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11908159) 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, 180394 + ... + 180459.

It is an arithmetic number, because the mean of its divisors is an integer number (2165124).

Almost surely, 211908149 is an apocalyptic number.

It is an amenable number.

11908149 is a deficient number, since it is larger than the sum of its proper divisors (5412843).

11908149 is a wasteful number, since it uses less digits than its factorization.

11908149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360867.

The product of its (nonzero) digits is 2592, while the sum is 33.

The square root of 11908149 is about 3450.8185985357. The cubic root of 11908149 is about 228.3572231858.

It can be divided in two parts, 1190 and 8149, that added together give a palindrome (9339).

The spelling of 11908149 in words is "eleven million, nine hundred eight thousand, one hundred forty-nine".

Divisors: 1 3 11 33 360853 1082559 3969383 11908149