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89028400 = 2452239677
BaseRepresentation
bin1010100111001…
…11011100110000
320012112010000011
411103213130300
5140242402100
612500104304
72130505006
oct523473460
9205463004
1089028400
114628839a
1225995094
13155a1936
14bb76a76
157c38bba
hex54e7730

89028400 has 60 divisors (see below), whose sum is σ = 223213392. Its totient is φ = 34059520.

The previous prime is 89028389. The next prime is 89028403. The reversal of 89028400 is 482098.

It is not an unprimeable number, because it can be changed into a prime (89028403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4362 + ... + 14038.

Almost surely, 289028400 is an apocalyptic number.

89028400 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 89028400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111606696).

89028400 is an abundant number, since it is smaller than the sum of its proper divisors (134184992).

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

89028400 is a wasteful number, since it uses less digits than its factorization.

89028400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9718 (or 9707 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 89028400 is about 9435.4862089879. The cubic root of 89028400 is about 446.5219946805.

The spelling of 89028400 in words is "eighty-nine million, twenty-eight thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 23 25 40 46 50 80 92 100 115 184 200 230 368 400 460 575 920 1150 1840 2300 4600 9200 9677 19354 38708 48385 77416 96770 154832 193540 222571 241925 387080 445142 483850 774160 890284 967700 1112855 1780568 1935400 2225710 3561136 3870800 4451420 5564275 8902840 11128550 17805680 22257100 44514200 89028400