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894327840 = 253257172307
BaseRepresentation
bin110101010011100…
…101110000100000
32022022211120011100
4311103211300200
53312421442330
6224424314400
731106442540
oct6523456040
92268746140
10894327840
1141990881a
1220b612a00
1311338b993
1486ac1320
15537ab060
hex354e5c20

894327840 has 432 divisors, whose sum is σ = 3717185472. Its totient is φ = 191766528.

The previous prime is 894327821. The next prime is 894327869. The reversal of 894327840 is 48723498.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 2912967 + ... + 2913273.

It is an arithmetic number, because the mean of its divisors is an integer number (8604596).

Almost surely, 2894327840 is an apocalyptic number.

894327840 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 894327840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1858592736).

894327840 is an abundant number, since it is smaller than the sum of its proper divisors (2822857632).

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

894327840 is a wasteful number, since it uses less digits than its factorization.

894327840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 894327840 is about 29905.3145778472. The cubic root of 894327840 is about 963.4568084713.

The spelling of 894327840 in words is "eight hundred ninety-four million, three hundred twenty-seven thousand, eight hundred forty".