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1028528446 = 211190124593
BaseRepresentation
bin111101010011100…
…001100100111110
32122200100122210011
4331103201210332
54101300402241
6250020533434
734326230131
oct7523414476
92580318704
101028528446
11488639710
1224855127a
1313511841a
149a856218
1560469281
hex3d4e193e

1028528446 has 16 divisors (see below), whose sum is σ = 1684000368. Its totient is φ = 467248000.

The previous prime is 1028528443. The next prime is 1028528453. The reversal of 1028528446 is 6448258201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1028528399 and 1028528408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028528443) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 29526 + ... + 54118.

It is an arithmetic number, because the mean of its divisors is an integer number (105250023).

Almost surely, 21028528446 is an apocalyptic number.

1028528446 is a deficient number, since it is larger than the sum of its proper divisors (655471922).

1028528446 is a wasteful number, since it uses less digits than its factorization.

1028528446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26507.

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 1028528446 is about 32070.6789139239. The cubic root of 1028528446 is about 1009.4204582926.

The spelling of 1028528446 in words is "one billion, twenty-eight million, five hundred twenty-eight thousand, four hundred forty-six".

Divisors: 1 2 11 22 1901 3802 20911 24593 41822 49186 270523 541046 46751293 93502586 514264223 1028528446