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447308093 = 29101152717
BaseRepresentation
bin11010101010010…
…110000100111101
31011011200121100102
4122222112010331
51404002324333
6112215210445
714041025141
oct3252260475
91134617312
10447308093
1120a548211
12105976a25
137189665b
144359b221
152940aae8
hex1aa9613d

447308093 has 8 divisors (see below), whose sum is σ = 467317080. Its totient is φ = 427604800.

The previous prime is 447308077. The next prime is 447308107. The reversal of 447308093 is 390803744.

It can be written as a sum of positive squares in 4 ways, for example, as 289102009 + 158206084 = 17003^2 + 12578^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 447308093 - 24 = 447308077 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 (447308293) 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, 73430 + ... + 79287.

It is an arithmetic number, because the mean of its divisors is an integer number (58414635).

Almost surely, 2447308093 is an apocalyptic number.

It is an amenable number.

447308093 is a deficient number, since it is larger than the sum of its proper divisors (20008987).

447308093 is a wasteful number, since it uses less digits than its factorization.

447308093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152847.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 447308093 is about 21149.6594062410. The cubic root of 447308093 is about 764.7783503558.

The spelling of 447308093 in words is "four hundred forty-seven million, three hundred eight thousand, ninety-three".

Divisors: 1 29 101 2929 152717 4428793 15424417 447308093