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1024428449 = 111731612897
BaseRepresentation
bin111101000011111…
…000100110100001
32122101122100122102
4331003320212201
54044223202244
6245353020145
734246332602
oct7503704641
92571570572
101024428449
11486299290
122470b4655
131343111a5
149a0a9da9
155ee0954e
hex3d0f89a1

1024428449 has 32 divisors (see below), whose sum is σ = 1241920512. Its totient is φ = 834048000.

The previous prime is 1024428443. The next prime is 1024428463. The reversal of 1024428449 is 9448244201.

1024428449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1024428449 - 212 = 1024424353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1024428443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352169 + ... + 355065.

It is an arithmetic number, because the mean of its divisors is an integer number (38810016).

Almost surely, 21024428449 is an apocalyptic number.

It is an amenable number.

1024428449 is a deficient number, since it is larger than the sum of its proper divisors (217492063).

1024428449 is a wasteful number, since it uses less digits than its factorization.

1024428449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3017.

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 1024428449 is about 32006.6938155130. The cubic root of 1024428449 is about 1008.0773963337.

The spelling of 1024428449 in words is "one billion, twenty-four million, four hundred twenty-eight thousand, four hundred forty-nine".

Divisors: 1 11 17 31 61 187 341 527 671 1037 1891 2897 5797 11407 20801 31867 32147 49249 89807 176717 353617 541739 987877 1526719 1943887 3004189 5478227 16793909 33046079 60260497 93129859 1024428449