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1030381448 = 23457281833
BaseRepresentation
bin111101011010100…
…101111110001000
32122210211210121212
4331122211332020
54102234201243
6250124352252
734351045355
oct7532457610
92583753555
101030381448
11489694918
122490a5688
13135616985
149abb962c
15606d3318
hex3d6a5f88

1030381448 has 16 divisors (see below), whose sum is σ = 1936199580. Its totient is φ = 514061568.

The previous prime is 1030381447. The next prime is 1030381463. The reversal of 1030381448 is 8441830301.

It can be written as a sum of positive squares in 2 ways, for example, as 1015187044 + 15194404 = 31862^2 + 3898^2 .

It is not an unprimeable number, because it can be changed into a prime (1030381447) 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 3 ways as a sum of consecutive naturals, for example, 137261 + ... + 144572.

Almost surely, 21030381448 is an apocalyptic number.

It is an amenable number.

1030381448 is a deficient number, since it is larger than the sum of its proper divisors (905818132).

1030381448 is a wasteful number, since it uses less digits than its factorization.

1030381448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282296 (or 282292 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 1030381448 is about 32099.5552617166. Note that the first 3 decimals coincide. The cubic root of 1030381448 is about 1010.0262869347.

The spelling of 1030381448 in words is "one billion, thirty million, three hundred eighty-one thousand, four hundred forty-eight".

Divisors: 1 2 4 8 457 914 1828 3656 281833 563666 1127332 2254664 128797681 257595362 515190724 1030381448