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1028102 = 2514051
BaseRepresentation
bin11111011000000000110
31221020021212
43323000012
5230344402
634011422
711511245
oct3730006
91836255
101028102
11642479
12416b72
1329cc5a
141ca95c
15154952
hexfb006

1028102 has 4 divisors (see below), whose sum is σ = 1542156. Its totient is φ = 514050.

The previous prime is 1028101. The next prime is 1028107. The reversal of 1028102 is 2018201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2018201 = 19310457.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257024 + ... + 257027.

It is an arithmetic number, because the mean of its divisors is an integer number (385539).

21028102 is an apocalyptic number.

1028102 is a deficient number, since it is larger than the sum of its proper divisors (514054).

1028102 is an equidigital number, since it uses as much as digits as its factorization.

1028102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514053.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1028102 is about 1013.9536478558. The cubic root of 1028102 is about 100.9280931177.

Subtracting 1028102 from its reverse (2018201), we obtain a palindrome (990099).

The spelling of 1028102 in words is "one million, twenty-eight thousand, one hundred two".

Divisors: 1 2 514051 1028102