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1448427456 = 263272193773
BaseRepresentation
bin101011001010101…
…0011111111000000
310201221110201221100
41112111103333000
510431244134311
6355420454400
750615300400
oct12625237700
93657421840
101448427456
11683665a93
123450aa400
131a1106188
14da51a800
158725da56
hex56553fc0

1448427456 has 504 divisors, whose sum is σ = 5292577680. Its totient is φ = 376233984.

The previous prime is 1448427451. The next prime is 1448427467. The reversal of 1448427456 is 6547248441.

It is a tau number, because it is divible by the number of its divisors (504).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1448427451) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 19841436 + ... + 19841508.

Almost surely, 21448427456 is an apocalyptic number.

1448427456 is a gapful number since it is divisible by the number (16) 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 1448427456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2646288840).

1448427456 is an abundant number, since it is smaller than the sum of its proper divisors (3844150224).

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

1448427456 is a wasteful number, since it uses less digits than its factorization.

1448427456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 141 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The square root of 1448427456 is about 38058.2114135701. The cubic root of 1448427456 is about 1131.4418788063.

The spelling of 1448427456 in words is "one billion, four hundred forty-eight million, four hundred twenty-seven thousand, four hundred fifty-six".