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89038023 = 3123723993
BaseRepresentation
bin1010100111010…
…01110011000111
320012112121012120
411103221303013
5140243204043
612500221023
72130545034
oct523516307
9205477176
1089038023
1146294648
122599a773
13155a6129
14bb7a38b
157c3b983
hex54e9cc7

89038023 has 8 divisors (see below), whose sum is σ = 118818288. Its totient is φ = 59308224.

The previous prime is 89038013. The next prime is 89038031. The reversal of 89038023 is 32083098.

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

It is not a de Polignac number, because 89038023 - 212 = 89033927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89038013) 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, 8286 + ... + 15707.

It is an arithmetic number, because the mean of its divisors is an integer number (14852286).

Almost surely, 289038023 is an apocalyptic number.

89038023 is a deficient number, since it is larger than the sum of its proper divisors (29780265).

89038023 is a wasteful number, since it uses less digits than its factorization.

89038023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25233.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 89038023 is about 9435.9961318347. The cubic root of 89038023 is about 446.5380821550.

Adding to 89038023 its reverse (32083098), we get a palindrome (121121121).

The spelling of 89038023 in words is "eighty-nine million, thirty-eight thousand, twenty-three".

Divisors: 1 3 1237 3711 23993 71979 29679341 89038023