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7027285 = 53893613
BaseRepresentation
bin11010110011101001010101
3111020000121211
4122303221111
53244333120
6410341421
7113505466
oct32635125
914200554
107027285
113a6a781
12242a871
1315c0775
14d0cd6d
1593c25a
hex6b3a55

7027285 has 8 divisors (see below), whose sum is σ = 8456760. Its totient is φ = 5605824.

The previous prime is 7027253. The next prime is 7027303. The reversal of 7027285 is 5827207.

It can be written as a sum of positive squares in 4 ways, for example, as 272484 + 6754801 = 522^2 + 2599^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7027285 - 25 = 7027253 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 139 + ... + 3751.

It is an arithmetic number, because the mean of its divisors is an integer number (1057095).

Almost surely, 27027285 is an apocalyptic number.

It is an amenable number.

7027285 is a deficient number, since it is larger than the sum of its proper divisors (1429475).

7027285 is a wasteful number, since it uses less digits than its factorization.

7027285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 7027285 is about 2650.9026764482. The cubic root of 7027285 is about 191.5413404603.

The spelling of 7027285 in words is "seven million, twenty-seven thousand, two hundred eighty-five".

Divisors: 1 5 389 1945 3613 18065 1405457 7027285