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11280575 = 52653691
BaseRepresentation
bin101011000010…
…000010111111
3210020010001002
4223002002333
510341434300
61041440515
7164611655
oct53020277
923203032
1011280575
116405299
12394013b
13244c6c7
1416d8dd5
15ecc5d5
hexac20bf

11280575 has 12 divisors (see below), whose sum is σ = 14029608. Its totient is φ = 8997600.

The previous prime is 11280569. The next prime is 11280593. The reversal of 11280575 is 57508211.

11280575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11280575 - 212 = 11276479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15980 + ... + 16670.

It is an arithmetic number, because the mean of its divisors is an integer number (1169134).

Almost surely, 211280575 is an apocalyptic number.

11280575 is a deficient number, since it is larger than the sum of its proper divisors (2749033).

11280575 is an equidigital number, since it uses as much as digits as its factorization.

11280575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354 (or 1349 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 11280575 is about 3358.6567255378. The cubic root of 11280575 is about 224.2730447474.

Adding to 11280575 its reverse (57508211), we get a palindrome (68788786).

The spelling of 11280575 in words is "eleven million, two hundred eighty thousand, five hundred seventy-five".

Divisors: 1 5 25 653 691 3265 3455 16325 17275 451223 2256115 11280575