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8300209 = 61136069
BaseRepresentation
bin11111101010011010110001
3120121200202011
4133222122301
54111101314
6453522521
7130356601
oct37523261
916550664
108300209
11475a085
122943441
131947c88
141160c01
15ade4c4
hex7ea6b1

8300209 has 4 divisors (see below), whose sum is σ = 8436340. Its totient is φ = 8164080.

The previous prime is 8300197. The next prime is 8300213. The reversal of 8300209 is 9020038.

8300209 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1617984 + 6682225 = 1272^2 + 2585^2 .

It is a cyclic number.

It is not a de Polignac number, because 8300209 - 213 = 8292017 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 8300209.

It is not an unprimeable number, because it can be changed into a prime (8300239) 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, 67974 + ... + 68095.

It is an arithmetic number, because the mean of its divisors is an integer number (2109085).

Almost surely, 28300209 is an apocalyptic number.

It is an amenable number.

8300209 is a deficient number, since it is larger than the sum of its proper divisors (136131).

8300209 is a wasteful number, since it uses less digits than its factorization.

8300209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136130.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 8300209 is about 2881.0083304288. The cubic root of 8300209 is about 202.4710846281.

The spelling of 8300209 in words is "eight million, three hundred thousand, two hundred nine".

Divisors: 1 61 136069 8300209