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11272208 = 242330631
BaseRepresentation
bin101011000000…
…000000010000
3210012200120012
4223000000100
510341202313
61041334052
7164545403
oct53000020
923180505
1011272208
1163a9a82
123937328
13244895c
1416d5d3a
15ec9da8
hexac0010

11272208 has 20 divisors (see below), whose sum is σ = 22790208. Its totient is φ = 5390880.

The previous prime is 11272193. The next prime is 11272211. The reversal of 11272208 is 80227211.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14948 + ... + 15683.

Almost surely, 211272208 is an apocalyptic number.

It is an amenable number.

11272208 is an abundant number, since it is smaller than the sum of its proper divisors (11518000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11272208 is a wasteful number, since it uses less digits than its factorization.

11272208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30662 (or 30656 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 11272208 is about 3357.4109072319. The cubic root of 11272208 is about 224.2175819511.

Adding to 11272208 its reverse (80227211), we get a palindrome (91499419).

The spelling of 11272208 in words is "eleven million, two hundred seventy-two thousand, two hundred eight".

Divisors: 1 2 4 8 16 23 46 92 184 368 30631 61262 122524 245048 490096 704513 1409026 2818052 5636104 11272208