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11287814 = 222325309
BaseRepresentation
bin101011000011…
…110100000110
3210020110222012
4223003310012
510342202224
61041534222
7164642036
oct53036406
923213865
1011287814
11640a77a
123944372
132452aa5
1416db8c6
15ece80e
hexac3d06

11287814 has 8 divisors (see below), whose sum is σ = 17008320. Its totient is φ = 5618376.

The previous prime is 11287811. The next prime is 11287831. The reversal of 11287814 is 41878211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11287811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12209 + ... + 13100.

It is an arithmetic number, because the mean of its divisors is an integer number (2126040).

Almost surely, 211287814 is an apocalyptic number.

11287814 is a deficient number, since it is larger than the sum of its proper divisors (5720506).

11287814 is a wasteful number, since it uses less digits than its factorization.

11287814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25534.

The product of its digits is 3584, while the sum is 32.

The square root of 11287814 is about 3359.7342156784. The cubic root of 11287814 is about 224.3210081835.

The spelling of 11287814 in words is "eleven million, two hundred eighty-seven thousand, eight hundred fourteen".

Divisors: 1 2 223 446 25309 50618 5643907 11287814