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1027413921 = 317434311087
BaseRepresentation
bin111101001111010…
…001011110100001
32122121021000221110
4331033101132201
54101004221141
6245541013533
734313605602
oct7517213641
92577230843
101027413921
11487a48316
122480b42a9
13134b18041
149a645da9
15602e8e16
hex3d3d17a1

1027413921 has 32 divisors (see below), whose sum is σ = 1489010688. Its totient is φ = 627621120.

The previous prime is 1027413901. The next prime is 1027414013. The reversal of 1027413921 is 1293147201.

It is not a de Polignac number, because 1027413921 - 25 = 1027413889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1027413901) 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 31 ways as a sum of consecutive naturals, for example, 944640 + ... + 945726.

It is an arithmetic number, because the mean of its divisors is an integer number (46531584).

Almost surely, 21027413921 is an apocalyptic number.

It is an amenable number.

1027413921 is a deficient number, since it is larger than the sum of its proper divisors (461596767).

1027413921 is a wasteful number, since it uses less digits than its factorization.

1027413921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1027413921 is about 32053.2981298337. The cubic root of 1027413921 is about 1009.0557200595.

The spelling of 1027413921 in words is "one billion, twenty-seven million, four hundred thirteen thousand, nine hundred twenty-one".

Divisors: 1 3 17 43 51 129 431 731 1087 1293 2193 3261 7327 18479 18533 21981 46741 55437 55599 140223 315061 468497 794597 945183 1405491 2383791 7964449 20145371 23893347 60436113 342471307 1027413921