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1025080328 = 23128135041
BaseRepresentation
bin111101000110010…
…111110000001000
32122102212110212002
4331012113300020
54044410032303
6245415010132
734255016246
oct7506276010
92572773762
101025080328
114866a4028
12247369948
131344abb0c
149a1d9796
155eed7788
hex3d197c08

1025080328 has 8 divisors (see below), whose sum is σ = 1922025630. Its totient is φ = 512540160.

The previous prime is 1025080283. The next prime is 1025080333. The reversal of 1025080328 is 8230805201.

It can be written as a sum of positive squares in only one way, i.e., 673817764 + 351262564 = 25958^2 + 18742^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1025080328.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64067513 + ... + 64067528.

Almost surely, 21025080328 is an apocalyptic number.

It is an amenable number.

1025080328 is a deficient number, since it is larger than the sum of its proper divisors (896945302).

1025080328 is a wasteful number, since it uses less digits than its factorization.

1025080328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128135047 (or 128135043 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 1025080328 is about 32016.8756751810. The cubic root of 1025080328 is about 1008.2911757496.

Adding to 1025080328 its reverse (8230805201), we get a palindrome (9255885529).

The spelling of 1025080328 in words is "one billion, twenty-five million, eighty thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 128135041 256270082 512540164 1025080328