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89906400 = 25325212487
BaseRepresentation
bin1010101101111…
…01110011100000
320021011201101200
411112331303200
5141004001100
612531001200
72141122533
oct526756340
9207151350
1089906400
1146828011
1226139200
131581b46c
14bd24a1a
157d5de00
hex55bdce0

89906400 has 108 divisors (see below), whose sum is σ = 317057832. Its totient is φ = 23973120.

The previous prime is 89906381. The next prime is 89906431. The reversal of 89906400 is 460998.

89906400 is a `hidden beast` number, since 8 + 9 + 9 + 0 + 640 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 957 + ... + 13443.

Almost surely, 289906400 is an apocalyptic number.

89906400 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 89906400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158528916).

89906400 is an abundant number, since it is smaller than the sum of its proper divisors (227151432).

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

89906400 is a wasteful number, since it uses less digits than its factorization.

89906400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12513 (or 12497 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 89906400 is about 9481.8985440681. The cubic root of 89906400 is about 447.9850654035.

The spelling of 89906400 in words is "eighty-nine million, nine hundred six thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 72 75 80 90 96 100 120 144 150 160 180 200 225 240 288 300 360 400 450 480 600 720 800 900 1200 1440 1800 2400 3600 7200 12487 24974 37461 49948 62435 74922 99896 112383 124870 149844 187305 199792 224766 249740 299688 312175 374610 399584 449532 499480 561915 599376 624350 749220 899064 936525 998960 1123830 1198752 1248700 1498440 1798128 1873050 1997920 2247660 2497400 2809575 2996880 3596256 3746100 4495320 4994800 5619150 5993760 7492200 8990640 9989600 11238300 14984400 17981280 22476600 29968800 44953200 89906400