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89091633 = 3139213649
BaseRepresentation
bin1010100111101…
…10111000110001
320012122022202010
411103312320301
5140301413013
612501313133
72131160241
oct523667061
9205568663
1089091633
1146320954
1225a057a9
13155c4657
14bb91b21
157c4c7c3
hex54f6e31

89091633 has 8 divisors (see below), whose sum is σ = 119644000. Its totient is φ = 58966848.

The previous prime is 89091617. The next prime is 89091637. The reversal of 89091633 is 33619098.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89091633 - 24 = 89091617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 89091591 and 89091600.

It is not an unprimeable number, because it can be changed into a prime (89091637) 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, 106408 + ... + 107241.

It is an arithmetic number, because the mean of its divisors is an integer number (14955500).

Almost surely, 289091633 is an apocalyptic number.

It is an amenable number.

89091633 is a deficient number, since it is larger than the sum of its proper divisors (30552367).

89091633 is a wasteful number, since it uses less digits than its factorization.

89091633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213791.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 89091633 is about 9438.8364219325. The cubic root of 89091633 is about 446.6276847122.

The spelling of 89091633 in words is "eighty-nine million, ninety-one thousand, six hundred thirty-three".

Divisors: 1 3 139 417 213649 640947 29697211 89091633