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11290144 = 25352817
BaseRepresentation
bin101011000100…
…011000100000
3210020121011111
4223010120200
510342241034
61041553104
7164651605
oct53043040
923217144
1011290144
1164114a8
123945794
132453b78
1416dc6ac
15ed0364
hexac4620

11290144 has 12 divisors (see below), whose sum is σ = 22227534. Its totient is φ = 5645056.

The previous prime is 11290133. The next prime is 11290157. The reversal of 11290144 is 44109211.

It can be written as a sum of positive squares in only one way, i.e., 9363600 + 1926544 = 3060^2 + 1388^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176377 + ... + 176440.

Almost surely, 211290144 is an apocalyptic number.

It is an amenable number.

11290144 is a deficient number, since it is larger than the sum of its proper divisors (10937390).

11290144 is an equidigital number, since it uses as much as digits as its factorization.

11290144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352827 (or 352819 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 11290144 is about 3360.0809514058. The cubic root of 11290144 is about 224.3364416999.

Adding to 11290144 its reverse (44109211), we get a palindrome (55399355).

The spelling of 11290144 in words is "eleven million, two hundred ninety thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 352817 705634 1411268 2822536 5645072 11290144