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428594468 = 22312111497
BaseRepresentation
bin11001100010111…
…101010100100100
31002212110212002012
4121202331110210
51334210010333
6110310133352
713422664361
oct3142752444
91085425065
10428594468
111aaa26405
12bb651258
136aa438c3
1440cc9468
1527960e48
hex198bd524

428594468 has 18 divisors (see below), whose sum is σ = 775022598. Its totient is φ = 207382560.

The previous prime is 428594449. The next prime is 428594473. The reversal of 428594468 is 864495824.

It can be written as a sum of positive squares in only one way, i.e., 421152484 + 7441984 = 20522^2 + 2728^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51905 + ... + 59592.

It is an arithmetic number, because the mean of its divisors is an integer number (43056811).

Almost surely, 2428594468 is an apocalyptic number.

It is an amenable number.

428594468 is a deficient number, since it is larger than the sum of its proper divisors (346428130).

428594468 is a wasteful number, since it uses less digits than its factorization.

428594468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111563 (or 111530 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 50.

The square root of 428594468 is about 20702.5232278580. The cubic root of 428594468 is about 753.9609512901.

It can be divided in two parts, 4285944 and 68, that multiplied together give a palindrome (291444192).

The spelling of 428594468 in words is "four hundred twenty-eight million, five hundred ninety-four thousand, four hundred sixty-eight".

Divisors: 1 2 4 31 62 124 961 1922 3844 111497 222994 445988 3456407 6912814 13825628 107148617 214297234 428594468