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89430223 is a prime number
BaseRepresentation
bin1010101010010…
…01100011001111
320020021112012111
411111021203033
5140343231343
612512444451
72134100341
oct525114317
9206245174
1089430223
1146532283
1225b49727
13156b27bc
14bc3d291
157cb7c9d
hex55498cf

89430223 has 2 divisors, whose sum is σ = 89430224. Its totient is φ = 89430222.

The previous prime is 89430199. The next prime is 89430241. The reversal of 89430223 is 32203498.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89430223 - 25 = 89430191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89430323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44715111 + 44715112.

It is an arithmetic number, because the mean of its divisors is an integer number (44715112).

Almost surely, 289430223 is an apocalyptic number.

89430223 is a deficient number, since it is larger than the sum of its proper divisors (1).

89430223 is an equidigital number, since it uses as much as digits as its factorization.

89430223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 89430223 is about 9456.7554161033. The cubic root of 89430223 is about 447.1927676967.

The spelling of 89430223 in words is "eighty-nine million, four hundred thirty thousand, two hundred twenty-three".