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11285013 = 330712253
BaseRepresentation
bin101011000011…
…001000010101
3210020100010110
4223003020111
510342110023
61041513233
7164630625
oct53031025
923210113
1011285013
116408663
123942819
13245172c
1416da885
15ecda93
hexac3215

11285013 has 8 divisors (see below), whose sum is σ = 15096928. Its totient is φ = 7498224.

The previous prime is 11285009. The next prime is 11285017. The reversal of 11285013 is 31058211.

It is an interprime number because it is at equal distance from previous prime (11285009) and next prime (11285017).

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

It is not a de Polignac number, because 11285013 - 22 = 11285009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11285017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5206 + ... + 7047.

It is an arithmetic number, because the mean of its divisors is an integer number (1887116).

Almost surely, 211285013 is an apocalyptic number.

It is an amenable number.

11285013 is a deficient number, since it is larger than the sum of its proper divisors (3811915).

11285013 is a wasteful number, since it uses less digits than its factorization.

11285013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12563.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 11285013 is about 3359.3173413657. The cubic root of 11285013 is about 224.3024520331.

The spelling of 11285013 in words is "eleven million, two hundred eighty-five thousand, thirteen".

Divisors: 1 3 307 921 12253 36759 3761671 11285013