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1025042268 = 223175024717
BaseRepresentation
bin111101000110001…
…110011101011100
32122102210112122110
4331012032131130
54044402323033
6245414114020
734254500265
oct7506163534
92572715573
101025042268
11486678478
1224734b910
131344976b3
149a1c996c
155eecb363
hex3d18e75c

1025042268 has 24 divisors (see below), whose sum is σ = 2532457872. Its totient is φ = 321581824.

The previous prime is 1025042201. The next prime is 1025042269. The reversal of 1025042268 is 8622405201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025042269) 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, 2512155 + ... + 2512562.

It is an arithmetic number, because the mean of its divisors is an integer number (105519078).

Almost surely, 21025042268 is an apocalyptic number.

It is an amenable number.

1025042268 is an abundant number, since it is smaller than the sum of its proper divisors (1507415604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1025042268 is a wasteful number, since it uses less digits than its factorization.

1025042268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5024741 (or 5024739 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 1025042268 is about 32016.2812956158. The cubic root of 1025042268 is about 1008.2786967155.

Adding to 1025042268 its reverse (8622405201), we get a palindrome (9647447469).

The spelling of 1025042268 in words is "one billion, twenty-five million, forty-two thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 5024717 10049434 15074151 20098868 30148302 60296604 85420189 170840378 256260567 341680756 512521134 1025042268