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11248005 = 353472161
BaseRepresentation
bin101010111010…
…000110000101
3210011110100210
4222322012011
510334414010
61041030033
7164415006
oct52720605
923143323
1011248005
11639287a
123925319
13243a932
1416cb1ad
15ec2b20
hexaba185

11248005 has 16 divisors (see below), whose sum is σ = 18057024. Its totient is φ = 5978880.

The previous prime is 11248001. The next prime is 11248007. The reversal of 11248005 is 50084211.

It is not a de Polignac number, because 11248005 - 22 = 11248001 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11248001) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4125 + ... + 6285.

It is an arithmetic number, because the mean of its divisors is an integer number (1128564).

Almost surely, 211248005 is an apocalyptic number.

11248005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11248005 is a deficient number, since it is larger than the sum of its proper divisors (6809019).

11248005 is a wasteful number, since it uses less digits than its factorization.

11248005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 11248005 is about 3353.8045560229. The cubic root of 11248005 is about 224.0569915042.

The spelling of 11248005 in words is "eleven million, two hundred forty-eight thousand, five".

Divisors: 1 3 5 15 347 1041 1735 2161 5205 6483 10805 32415 749867 2249601 3749335 11248005