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893811072 = 273711193743
BaseRepresentation
bin110101010001100…
…111100110000000
32022021212022021210
4311101213212000
53312303423242
6224405250120
731102161120
oct6521474600
92267768253
10893811072
11419595540
1220b403940
1311323a6bb
14869c8c80
1553707d9c
hex35467980

893811072 has 512 divisors, whose sum is σ = 3274444800. Its totient is φ = 209018880.

The previous prime is 893811019. The next prime is 893811077. The reversal of 893811072 is 270118398.

It is a self number, because there is not a number n which added to its sum of digits gives 893811072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (893811077) 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, 20786283 + ... + 20786325.

It is an arithmetic number, because the mean of its divisors is an integer number (6395400).

Almost surely, 2893811072 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 893811072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1637222400).

893811072 is an abundant number, since it is smaller than the sum of its proper divisors (2380633728).

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

893811072 is a wasteful number, since it uses less digits than its factorization.

893811072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 893811072 is about 29896.6732597458. The cubic root of 893811072 is about 963.2712018240.

The spelling of 893811072 in words is "eight hundred ninety-three million, eight hundred eleven thousand, seventy-two".