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11284055 = 52256811
BaseRepresentation
bin101011000010…
…111001010111
3210020021210222
4223002321113
510342042210
61041504555
7164625056
oct53027127
923207728
1011284055
116407972
12394215b
132451173
1416da39d
15ecd655
hexac2e57

11284055 has 4 divisors (see below), whose sum is σ = 13540872. Its totient is φ = 9027240.

The previous prime is 11284037. The next prime is 11284111. The reversal of 11284055 is 55048211.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11284055 - 210 = 11283031 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1128401 + ... + 1128410.

It is an arithmetic number, because the mean of its divisors is an integer number (3385218).

Almost surely, 211284055 is an apocalyptic number.

11284055 is a deficient number, since it is larger than the sum of its proper divisors (2256817).

11284055 is an equidigital number, since it uses as much as digits as its factorization.

11284055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256816.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 11284055 is about 3359.1747498456. The cubic root of 11284055 is about 224.2961047407.

The spelling of 11284055 in words is "eleven million, two hundred eighty-four thousand, fifty-five".

Divisors: 1 5 2256811 11284055