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1025064000 = 26325323619
BaseRepresentation
bin111101000110010…
…011110001000000
32122102211122110100
4331012103301000
54044404022000
6245414402400
734254620532
oct7506236100
92572748410
101025064000
11486692834
12247360400
131344a455c
149a1d3852
155eed2a00
hex3d193c40

1025064000 has 336 divisors, whose sum is σ = 3832433280. Its totient is φ = 261043200.

The previous prime is 1025063993. The next prime is 1025064037. The reversal of 1025064000 is 4605201.

It is a happy number.

1025064000 is a `hidden beast` number, since 1 + 0 + 25 + 0 + 640 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1655691 + ... + 1656309.

Almost surely, 21025064000 is an apocalyptic number.

1025064000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1025064000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1916216640).

1025064000 is an abundant number, since it is smaller than the sum of its proper divisors (2807369280).

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

1025064000 is a wasteful number, since it uses less digits than its factorization.

1025064000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1025064000 is about 32016.6206836387. The cubic root of 1025064000 is about 1008.2858221966.

Adding to 1025064000 its reverse (4605201), we get a palindrome (1029669201).

The spelling of 1025064000 in words is "one billion, twenty-five million, sixty-four thousand".