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5406028992 = 2633713311109
BaseRepresentation
bin1010000100011100…
…10111010011000000
3111221202101201122000
411002032113103000
542032420411432
62252233544000
7250652326320
oct50216272300
914852351560
105406028992
112324620661
12106a575000
13682001430
14393d95280
1521990b57c
hex1423974c0

5406028992 has 448 divisors, whose sum is σ = 20209459200. Its totient is φ = 1378529280.

The previous prime is 5406028987. The next prime is 5406028993. The reversal of 5406028992 is 2998206045.

It is a tau number, because it is divible by the number of its divisors (448).

It is not an unprimeable number, because it can be changed into a prime (5406028993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4874134 + ... + 4875242.

It is an arithmetic number, because the mean of its divisors is an integer number (45110400).

Almost surely, 25406028992 is an apocalyptic number.

5406028992 is a gapful number since it is divisible by the number (52) 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 5406028992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10104729600).

5406028992 is an abundant number, since it is smaller than the sum of its proper divisors (14803430208).

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

5406028992 is a wasteful number, since it uses less digits than its factorization.

5406028992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181 (or 1165 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 5406028992 is about 73525.7029344161. The cubic root of 5406028992 is about 1755.0633215519.

The spelling of 5406028992 in words is "five billion, four hundred six million, twenty-eight thousand, nine hundred ninety-two".