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328237056 = 21533753
BaseRepresentation
bin10011100100001…
…000000000000000
3211212122011121000
4103210020000000
51133012041211
652323132000
711063653230
oct2344100000
9755564530
10328237056
111593103a4
1291b14000
1353006514
1431843cc0
151dc3a656
hex13908000

328237056 has 256 divisors, whose sum is σ = 1132444800. Its totient is φ = 92012544.

The previous prime is 328237043. The next prime is 328237079. The reversal of 328237056 is 650732823.

328237056 is a `hidden beast` number, since 3 + 282 + 370 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (256).

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

It is a self number, because there is not a number n which added to its sum of digits gives 328237056.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6193126 + ... + 6193178.

Almost surely, 2328237056 is an apocalyptic number.

328237056 is a gapful number since it is divisible by the number (36) 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 328237056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (566222400).

328237056 is an abundant number, since it is smaller than the sum of its proper divisors (804207744).

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

328237056 is an frugal number, since it uses more digits than its factorization.

328237056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 328237056 is about 18117.3137081632. The cubic root of 328237056 is about 689.8095504627.

Adding to 328237056 its reverse (650732823), we get a palindrome (978969879).

The spelling of 328237056 in words is "three hundred twenty-eight million, two hundred thirty-seven thousand, fifty-six".