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89825031 = 343593089
BaseRepresentation
bin1010101101010…
…01111100000111
320021000120210000
411112221330013
5140443400111
612525132343
72140333362
oct526517407
9207016700
1089825031
114678196a
12260ba0b3
13157c040a
14bd030d9
157d44c56
hex55a9f07

89825031 has 20 divisors (see below), whose sum is σ = 134600400. Its totient is φ = 59697216.

The previous prime is 89825003. The next prime is 89825041. The reversal of 89825031 is 13052898.

It is not a de Polignac number, because 89825031 - 29 = 89824519 is a prime.

It is a super-2 number, since 2×898250312 = 16137072388301922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89825041) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27535 + ... + 30623.

It is an arithmetic number, because the mean of its divisors is an integer number (6730020).

Almost surely, 289825031 is an apocalyptic number.

89825031 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

89825031 is a deficient number, since it is larger than the sum of its proper divisors (44775369).

89825031 is a wasteful number, since it uses less digits than its factorization.

89825031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3460 (or 3451 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 89825031 is about 9477.6068181794. The cubic root of 89825031 is about 447.8498762913.

The spelling of 89825031 in words is "eighty-nine million, eight hundred twenty-five thousand, thirty-one".

Divisors: 1 3 9 27 81 359 1077 3089 3231 9267 9693 27801 29079 83403 250209 1108951 3326853 9980559 29941677 89825031