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11285285 = 511205187
BaseRepresentation
bin101011000011…
…001100100101
3210020100111112
4223003030211
510342112120
61041514405
7164631464
oct53031445
923210445
1011285285
116408890
123942a05
1324518ab
1416da9db
15ecdbc5
hexac3325

11285285 has 8 divisors (see below), whose sum is σ = 14773536. Its totient is φ = 8207440.

The previous prime is 11285273. The next prime is 11285299. The reversal of 11285285 is 58258211.

It is a happy number.

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

It is not a de Polignac number, because 11285285 - 210 = 11284261 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102539 + ... + 102648.

It is an arithmetic number, because the mean of its divisors is an integer number (1846692).

Almost surely, 211285285 is an apocalyptic number.

It is an amenable number.

11285285 is a deficient number, since it is larger than the sum of its proper divisors (3488251).

11285285 is a wasteful number, since it uses less digits than its factorization.

11285285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205203.

The product of its digits is 6400, while the sum is 32.

The square root of 11285285 is about 3359.3578255375. The cubic root of 11285285 is about 224.3042541216.

The spelling of 11285285 in words is "eleven million, two hundred eighty-five thousand, two hundred eighty-five".

Divisors: 1 5 11 55 205187 1025935 2257057 11285285