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1028095 = 5205619
BaseRepresentation
bin11111010111111111111
31221020021121
43322333333
5230344340
634011411
711511235
oct3727777
91836247
101028095
11642472
12416b67
1329cc53
141ca955
1515494a
hexfafff

1028095 has 4 divisors (see below), whose sum is σ = 1233720. Its totient is φ = 822472.

The previous prime is 1028089. The next prime is 1028099. The reversal of 1028095 is 5908201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1028095 - 25 = 1028063 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102805 + ... + 102814.

It is an arithmetic number, because the mean of its divisors is an integer number (308430).

21028095 is an apocalyptic number.

1028095 is a deficient number, since it is larger than the sum of its proper divisors (205625).

1028095 is an equidigital number, since it uses as much as digits as its factorization.

1028095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205624.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1028095 is about 1013.9501960156. The cubic root of 1028095 is about 100.9278640554.

The spelling of 1028095 in words is "one million, twenty-eight thousand, ninety-five".

Divisors: 1 5 205619 1028095