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1028341042 = 2514170521
BaseRepresentation
bin111101010010110…
…011110100110010
32122200000010201021
4331102303310302
54101223403132
6250012530054
734324516561
oct7522636462
92580003637
101028341042
11488520933
1224848092a
13135081031
149a807bd8
156042d997
hex3d4b3d32

1028341042 has 4 divisors (see below), whose sum is σ = 1542511566. Its totient is φ = 514170520.

The previous prime is 1028341003. The next prime is 1028341091. The reversal of 1028341042 is 2401438201.

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

It can be written as a sum of positive squares in only one way, i.e., 761704801 + 266636241 = 27599^2 + 16329^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1028340998 and 1028341016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257085259 + ... + 257085262.

Almost surely, 21028341042 is an apocalyptic number.

1028341042 is a deficient number, since it is larger than the sum of its proper divisors (514170524).

1028341042 is an equidigital number, since it uses as much as digits as its factorization.

1028341042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514170523.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1028341042 is about 32067.7570466037. The cubic root of 1028341042 is about 1009.3591470984.

Adding to 1028341042 its reverse (2401438201), we get a palindrome (3429779243).

The spelling of 1028341042 in words is "one billion, twenty-eight million, three hundred forty-one thousand, forty-two".

Divisors: 1 2 514170521 1028341042