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11913244 = 227425473
BaseRepresentation
bin101101011100…
…100000011100
3211102020220021
4231130200130
511022210434
61103201524
7203155330
oct55344034
924366807
1011913244
1167a7662
123ba62a4
132611675
1418217c0
1510a4cb4
hexb5c81c

11913244 has 12 divisors (see below), whose sum is σ = 23826544. Its totient is φ = 5105664.

The previous prime is 11913233. The next prime is 11913259. The reversal of 11913244 is 44231911.

It is a happy number.

11913244 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212709 + ... + 212764.

Almost surely, 211913244 is an apocalyptic number.

11913244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11913244 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.

11913244 is a wasteful number, since it uses less digits than its factorization.

11913244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425484 (or 425482 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 11913244 is about 3451.5567502216. The cubic root of 11913244 is about 228.3897867173.

The spelling of 11913244 in words is "eleven million, nine hundred thirteen thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 425473 850946 1701892 2978311 5956622 11913244