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89312800 = 2552111641
BaseRepresentation
bin1010101001011…
…00111000100000
320020001120010111
411110230320200
5140331002200
612510141104
72133101113
oct524547040
9206046114
1089312800
1146462035
1225ab1794
1315671215
14bc0c57a
157c930ba
hex552ce20

89312800 has 36 divisors (see below), whose sum is σ = 218036826. Its totient is φ = 35724800.

The previous prime is 89312789. The next prime is 89312813. The reversal of 89312800 is 821398.

It can be written as a sum of positive squares in 3 ways, for example, as 58798224 + 30514576 = 7668^2 + 5524^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55021 + ... + 56620.

Almost surely, 289312800 is an apocalyptic number.

89312800 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89312800 is an abundant number, since it is smaller than the sum of its proper divisors (128724026).

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

89312800 is a wasteful number, since it uses less digits than its factorization.

89312800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111661 (or 111648 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 89312800 is about 9450.5449578318. The cubic root of 89312800 is about 446.9969587416.

The spelling of 89312800 in words is "eighty-nine million, three hundred twelve thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 111641 223282 446564 558205 893128 1116410 1786256 2232820 2791025 3572512 4465640 5582050 8931280 11164100 17862560 22328200 44656400 89312800