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89841384 = 23321247797
BaseRepresentation
bin1010101101011…
…01111011101000
320021001102012200
411112231323220
5140444411014
612525340200
72140432143
oct526557350
9207042180
1089841384
1146793186
1226107660
13157c79a9
14bd0905a
157d49a09
hex55adee8

89841384 has 24 divisors (see below), whose sum is σ = 243320610. Its totient is φ = 29947104.

The previous prime is 89841383. The next prime is 89841403. The reversal of 89841384 is 48314898.

It can be written as a sum of positive squares in only one way, i.e., 85045284 + 4796100 = 9222^2 + 2190^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×898413843 (a number of 25 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (89841383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 623827 + ... + 623970.

Almost surely, 289841384 is an apocalyptic number.

It is an amenable number.

89841384 is an abundant number, since it is smaller than the sum of its proper divisors (153479226).

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

89841384 is a wasteful number, since it uses less digits than its factorization.

89841384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247809 (or 1247802 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 89841384 is about 9478.4694967067. The cubic root of 89841384 is about 447.8770522523.

The spelling of 89841384 in words is "eighty-nine million, eight hundred forty-one thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 1247797 2495594 3743391 4991188 7486782 9982376 11230173 14973564 22460346 29947128 44920692 89841384