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11072128 = 2786501
BaseRepresentation
bin101010001111…
…001010000000
3202211112002211
4222033022000
510313302003
61033151504
7163053154
oct52171200
922745084
1011072128
116282721
12385b594
1323a8872
141683064
15e8a96d
hexa8f280

11072128 has 16 divisors (see below), whose sum is σ = 22058010. Its totient is φ = 5536000.

The previous prime is 11072123. The next prime is 11072141. The reversal of 11072128 is 82127011.

It can be written as a sum of positive squares in only one way, i.e., 7354944 + 3717184 = 2712^2 + 1928^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 11072099 and 11072108.

It is not an unprimeable number, because it can be changed into a prime (11072123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43123 + ... + 43378.

Almost surely, 211072128 is an apocalyptic number.

It is an amenable number.

11072128 is a deficient number, since it is larger than the sum of its proper divisors (10985882).

11072128 is an frugal number, since it uses more digits than its factorization.

11072128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86515 (or 86503 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 11072128 is about 3327.4807287196. The cubic root of 11072128 is about 222.8830451093.

Adding to 11072128 its reverse (82127011), we get a palindrome (93199139).

The spelling of 11072128 in words is "eleven million, seventy-two thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 16 32 64 128 86501 173002 346004 692008 1384016 2768032 5536064 11072128