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8428082400 = 2534521131151
BaseRepresentation
bin1111101100101101…
…00101010011100000
3210202100220221120000
413312112211103200
5114230042114100
63512151020000
7415566342543
oct76626452340
923670827500
108428082400
113635484061
12177266a600
13a4413790a
1459d49c85a
15344da9900
hex1f65a54e0

8428082400 has 360 divisors, whose sum is σ = 31034513664. Its totient is φ = 2225664000.

The previous prime is 8428082389. The next prime is 8428082447. The reversal of 8428082400 is 42808248.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 59 ways as a sum of consecutive naturals, for example, 7321825 + ... + 7322975.

Almost surely, 28428082400 is an apocalyptic number.

8428082400 is a gapful number since it is divisible by the number (80) 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 8428082400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15517256832).

8428082400 is an abundant number, since it is smaller than the sum of its proper divisors (22606431264).

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

8428082400 is a wasteful number, since it uses less digits than its factorization.

8428082400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296 (or 1274 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

The square root of 8428082400 is about 91804.5881206381. The cubic root of 8428082400 is about 2035.0554993748.

The spelling of 8428082400 in words is "eight billion, four hundred twenty-eight million, eighty-two thousand, four hundred".