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69443093 = 307226199
BaseRepresentation
bin1000010001110…
…01111000010101
311211200002000102
410020321320111
5120234134333
610520223445
71502153666
oct410717025
9154602012
1069443093
1136220695
121b30ab85
13115051b5
14931936d
15616aae8
hex4239e15

69443093 has 4 divisors (see below), whose sum is σ = 69669600. Its totient is φ = 69216588.

The previous prime is 69443083. The next prime is 69443161. The reversal of 69443093 is 39034496.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 69443093 - 28 = 69442837 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 (69443083) 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, 112793 + ... + 113406.

It is an arithmetic number, because the mean of its divisors is an integer number (17417400).

Almost surely, 269443093 is an apocalyptic number.

It is an amenable number.

69443093 is a deficient number, since it is larger than the sum of its proper divisors (226507).

69443093 is a wasteful number, since it uses less digits than its factorization.

69443093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226506.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 69443093 is about 8333.2522462722. The cubic root of 69443093 is about 411.0326793456.

The spelling of 69443093 in words is "sixty-nine million, four hundred forty-three thousand, ninety-three".

Divisors: 1 307 226199 69443093