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89823942 = 232132691427
BaseRepresentation
bin1010101101010…
…01101011000110
320021000112021200
411112221223012
5140443331232
612525123330
72140330245
oct526515306
9207015250
1089823942
114678106a
12260b9546
13157bca80
14bd0295c
157d4477c
hex55a9ac6

89823942 has 48 divisors (see below), whose sum is σ = 210515760. Its totient is φ = 27516096.

The previous prime is 89823941. The next prime is 89823959. The reversal of 89823942 is 24932898.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89823941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62233 + ... + 63659.

It is an arithmetic number, because the mean of its divisors is an integer number (4385745).

Almost surely, 289823942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89823942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105257880).

89823942 is an abundant number, since it is smaller than the sum of its proper divisors (120691818).

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

89823942 is a wasteful number, since it uses less digits than its factorization.

89823942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717 (or 1714 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 89823942 is about 9477.5493667931. The cubic root of 89823942 is about 447.8480664376.

The spelling of 89823942 in words is "eighty-nine million, eight hundred twenty-three thousand, nine hundred forty-two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 269 538 807 1427 1614 2421 2854 3497 4281 4842 6994 8562 10491 12843 18551 20982 25686 31473 37102 55653 62946 111306 166959 333918 383863 767726 1151589 2303178 3454767 4990219 6909534 9980438 14970657 29941314 44911971 89823942