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10343209 = 71145679
BaseRepresentation
bin100111011101…
…001100101001
3201110111012211
4213131030221
510121440314
61005405121
7153626062
oct47351451
921414184
1010343209
115925008
1235697a1
1321b1b56
141533569
15d949c4
hex9dd329

10343209 has 4 divisors (see below), whose sum is σ = 10488960. Its totient is φ = 10197460.

The previous prime is 10343173. The next prime is 10343213. The reversal of 10343209 is 90234301.

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 10343209 - 215 = 10310441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10343209.

It is not an unprimeable number, because it can be changed into a prime (10343269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72769 + ... + 72910.

It is an arithmetic number, because the mean of its divisors is an integer number (2622240).

Almost surely, 210343209 is an apocalyptic number.

It is an amenable number.

10343209 is a deficient number, since it is larger than the sum of its proper divisors (145751).

10343209 is an equidigital number, since it uses as much as digits as its factorization.

10343209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145750.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 10343209 is about 3216.0859752189. The cubic root of 10343209 is about 217.8805352238.

The spelling of 10343209 in words is "ten million, three hundred forty-three thousand, two hundred nine".

Divisors: 1 71 145679 10343209