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8423243 = 9299067
BaseRepresentation
bin100000001000…
…011101001011
3120211221111222
4200020131023
54124020433
6500312255
7131411363
oct40103513
916757458
108423243
114833564
1229a268b
13198bc8a
1411939a3
15b15b98
hex80874b

8423243 has 4 divisors (see below), whose sum is σ = 8433240. Its totient is φ = 8413248.

The previous prime is 8423231. The next prime is 8423249. The reversal of 8423243 is 3423248.

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 8423243 - 26 = 8423179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8423249) 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, 3605 + ... + 5462.

It is an arithmetic number, because the mean of its divisors is an integer number (2108310).

Almost surely, 28423243 is an apocalyptic number.

8423243 is a deficient number, since it is larger than the sum of its proper divisors (9997).

8423243 is an equidigital number, since it uses as much as digits as its factorization.

8423243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9996.

The product of its digits is 4608, while the sum is 26.

The square root of 8423243 is about 2902.2823777159. The cubic root of 8423243 is about 203.4665915572.

The spelling of 8423243 in words is "eight million, four hundred twenty-three thousand, two hundred forty-three".

Divisors: 1 929 9067 8423243