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1355085 = 32530113
BaseRepresentation
bin101001010110101001101
32112211211100
411022311031
5321330320
645013313
714342454
oct5126515
92484740
101355085
11846106
12554239
13385a34
14273b9b
151bb790
hex14ad4d

1355085 has 12 divisors (see below), whose sum is σ = 2348892. Its totient is φ = 722688.

The previous prime is 1355071. The next prime is 1355089. The reversal of 1355085 is 5805531.

It can be written as a sum of positive squares in 2 ways, for example, as 927369 + 427716 = 963^2 + 654^2 .

It is not a de Polignac number, because 1355085 - 26 = 1355021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355089) 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 11 ways as a sum of consecutive naturals, for example, 15012 + ... + 15101.

It is an arithmetic number, because the mean of its divisors is an integer number (195741).

21355085 is an apocalyptic number.

1355085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1355085 is a deficient number, since it is larger than the sum of its proper divisors (993807).

1355085 is a wasteful number, since it uses less digits than its factorization.

1355085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30124 (or 30121 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1355085 is about 1164.0811827360. The cubic root of 1355085 is about 110.6595362819.

The spelling of 1355085 in words is "one million, three hundred fifty-five thousand, eighty-five".

Divisors: 1 3 5 9 15 45 30113 90339 150565 271017 451695 1355085