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11287435 = 52257487
BaseRepresentation
bin101011000011…
…101110001011
3210020110110011
4223003232023
510342144220
61041532351
7164640655
oct53035613
923213404
1011287435
11640a465
1239440b7
132452873
1416db6d5
15ece65a
hexac3b8b

11287435 has 4 divisors (see below), whose sum is σ = 13544928. Its totient is φ = 9029944.

The previous prime is 11287429. The next prime is 11287453. The reversal of 11287435 is 53478211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53478211 = 197271463.

It is a cyclic number.

It is not a de Polignac number, because 11287435 - 23 = 11287427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11287397 and 11287406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1128739 + ... + 1128748.

It is an arithmetic number, because the mean of its divisors is an integer number (3386232).

Almost surely, 211287435 is an apocalyptic number.

11287435 is a deficient number, since it is larger than the sum of its proper divisors (2257493).

11287435 is an equidigital number, since it uses as much as digits as its factorization.

11287435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257492.

The product of its digits is 6720, while the sum is 31.

The square root of 11287435 is about 3359.6778119338. The cubic root of 11287435 is about 224.3184975523.

The spelling of 11287435 in words is "eleven million, two hundred eighty-seven thousand, four hundred thirty-five".

Divisors: 1 5 2257487 11287435