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89055420 = 22351484257
BaseRepresentation
bin1010100111011…
…10000010111100
320012120111001220
411103232002330
5140244233140
612500433340
72130646536
oct523560274
9205514056
1089055420
11462a6723
12259a8850
13155b101c
14bb82856
157c41bd0
hex54ee0bc

89055420 has 24 divisors (see below), whose sum is σ = 249355344. Its totient is φ = 23748096.

The previous prime is 89055419. The next prime is 89055427. The reversal of 89055420 is 2455098.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89055427) 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, 742069 + ... + 742188.

It is an arithmetic number, because the mean of its divisors is an integer number (10389806).

Almost surely, 289055420 is an apocalyptic number.

It is an amenable number.

89055420 is an abundant number, since it is smaller than the sum of its proper divisors (160299924).

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

89055420 is a wasteful number, since it uses less digits than its factorization.

89055420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484269 (or 1484267 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 89055420 is about 9436.9179290699. The cubic root of 89055420 is about 446.5671630535.

The spelling of 89055420 in words is "eighty-nine million, fifty-five thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1484257 2968514 4452771 5937028 7421285 8905542 14842570 17811084 22263855 29685140 44527710 89055420