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11072065 = 53797617
BaseRepresentation
bin101010001111…
…001001000001
3202211112000111
4222033021001
510313301230
61033151321
7163053034
oct52171101
922745014
1011072065
116282674
12385b541
1323a8824
14168301b
15e8a92a
hexa8f241

11072065 has 16 divisors (see below), whose sum is σ = 13808592. Its totient is φ = 8515584.

The previous prime is 11072063. The next prime is 11072069. The reversal of 11072065 is 56027011.

11072065 = T390 + T391 + ... + T500.

It can be written as a sum of positive squares in 8 ways, for example, as 339889 + 10732176 = 583^2 + 3276^2 .

It is a cyclic number.

It is not a de Polignac number, because 11072065 - 21 = 11072063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11072063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17637 + ... + 18253.

It is an arithmetic number, because the mean of its divisors is an integer number (863037).

Almost surely, 211072065 is an apocalyptic number.

It is an amenable number.

11072065 is a deficient number, since it is larger than the sum of its proper divisors (2736527).

11072065 is an equidigital number, since it uses as much as digits as its factorization.

11072065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 11072065 is about 3327.4712620848. The cubic root of 11072065 is about 222.8826223764.

Adding to 11072065 its reverse (56027011), we get a palindrome (67099076).

The spelling of 11072065 in words is "eleven million, seventy-two thousand, sixty-five".

Divisors: 1 5 37 97 185 485 617 3085 3589 17945 22829 59849 114145 299245 2214413 11072065