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89421223 = 647138209
BaseRepresentation
bin1010101010001…
…11010110100111
320020021001212011
411111013112213
5140342434343
612512335051
72134032163
oct525072647
9206231764
1089421223
1146526541
1225b44487
13156ab688
14bc39ca3
157cb529d
hex55475a7

89421223 has 4 divisors (see below), whose sum is σ = 89560080. Its totient is φ = 89282368.

The previous prime is 89421221. The next prime is 89421253. The reversal of 89421223 is 32212498.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89421223 - 21 = 89421221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89421221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68458 + ... + 69751.

It is an arithmetic number, because the mean of its divisors is an integer number (22390020).

Almost surely, 289421223 is an apocalyptic number.

89421223 is a deficient number, since it is larger than the sum of its proper divisors (138857).

89421223 is a wasteful number, since it uses less digits than its factorization.

89421223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138856.

The product of its digits is 6912, while the sum is 31.

The square root of 89421223 is about 9456.2795538203. The cubic root of 89421223 is about 447.1777657961.

The spelling of 89421223 in words is "eighty-nine million, four hundred twenty-one thousand, two hundred twenty-three".

Divisors: 1 647 138209 89421223