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89386320 = 2435372443
BaseRepresentation
bin1010101001111…
…10110101010000
320020012021222110
411110332311100
5140340330240
612511505320
72133525342
oct524766520
9206167873
1089386320
11465022a1
1225b28240
131569881a
14bc2b292
157ca9c80
hex553ed50

89386320 has 40 divisors (see below), whose sum is σ = 277098336. Its totient is φ = 23836288.

The previous prime is 89386309. The next prime is 89386321. The reversal of 89386320 is 2368398.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89386321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185982 + ... + 186461.

Almost surely, 289386320 is an apocalyptic number.

89386320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89386320 is an abundant number, since it is smaller than the sum of its proper divisors (187712016).

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

89386320 is a wasteful number, since it uses less digits than its factorization.

89386320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372459 (or 372453 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 89386320 is about 9454.4338804605. The cubic root of 89386320 is about 447.1195772358.

The spelling of 89386320 in words is "eighty-nine million, three hundred eighty-six thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 372443 744886 1117329 1489772 1862215 2234658 2979544 3724430 4469316 5586645 5959088 7448860 8938632 11173290 14897720 17877264 22346580 29795440 44693160 89386320