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11285313 = 313222259
BaseRepresentation
bin101011000011…
…001101000001
3210020100112120
4223003031001
510342112223
61041514453
7164631534
oct53031501
923210476
1011285313
116408906
123942a29
132451900
1416daa1b
15ecdbe3
hexac3341

11285313 has 12 divisors (see below), whose sum is σ = 16294320. Its totient is φ = 6944496.

The previous prime is 11285299. The next prime is 11285353. The reversal of 11285313 is 31358211.

It is not a de Polignac number, because 11285313 - 210 = 11284289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11285353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10623 + ... + 11636.

It is an arithmetic number, because the mean of its divisors is an integer number (1357860).

Almost surely, 211285313 is an apocalyptic number.

11285313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11285313 is a deficient number, since it is larger than the sum of its proper divisors (5009007).

11285313 is a wasteful number, since it uses less digits than its factorization.

11285313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22288 (or 22275 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 11285313 is about 3359.3619929981. The cubic root of 11285313 is about 224.3044396290.

It can be divided in two parts, 1128 and 5313, that added together give a triangular number (6441 = T113).

The spelling of 11285313 in words is "eleven million, two hundred eighty-five thousand, three hundred thirteen".

Divisors: 1 3 13 39 169 507 22259 66777 289367 868101 3761771 11285313