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4454192820 = 22357114773281
BaseRepresentation
bin1000010010111110…
…11001011010110100
3102111102100102212110
410021133121122310
533110233132240
62013552451020
7215244004620
oct41137313264
912442312773
104454192820
111986303aa0
12a43849a70
1355ca5896c
143037c4180
151b1090c80
hex1097d96b4

4454192820 has 384 divisors, whose sum is σ = 16154836992. Its totient is φ = 890265600.

The previous prime is 4454192807. The next prime is 4454192837. The reversal of 4454192820 is 282914544.

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 15851080 + ... + 15851360.

It is an arithmetic number, because the mean of its divisors is an integer number (42069888).

Almost surely, 24454192820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4454192820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8077418496).

4454192820 is an abundant number, since it is smaller than the sum of its proper divisors (11700644172).

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

4454192820 is a wasteful number, since it uses less digits than its factorization.

4454192820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 4454192820 is about 66739.7394361111. The cubic root of 4454192820 is about 1645.3425831582.

The spelling of 4454192820 in words is "four billion, four hundred fifty-four million, one hundred ninety-two thousand, eight hundred twenty".