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4290209 = 71155717
BaseRepresentation
bin10000010111011010100001
322001222001122
4100113122201
52044241314
6231542025
751315620
oct20273241
98058048
104290209
112470330
12152a915
13b729b1
147d96b7
1559b28e
hex4176a1

4290209 has 8 divisors (see below), whose sum is σ = 5348928. Its totient is φ = 3342960.

The previous prime is 4290193. The next prime is 4290217. The reversal of 4290209 is 9020924.

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 4290209 - 24 = 4290193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4290269) 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, 27782 + ... + 27935.

It is an arithmetic number, because the mean of its divisors is an integer number (668616).

Almost surely, 24290209 is an apocalyptic number.

It is an amenable number.

4290209 is a deficient number, since it is larger than the sum of its proper divisors (1058719).

4290209 is a wasteful number, since it uses less digits than its factorization.

4290209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55735.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 4290209 is about 2071.2819701818. The cubic root of 4290209 is about 162.4898171134.

The spelling of 4290209 in words is "four million, two hundred ninety thousand, two hundred nine".

Divisors: 1 7 11 77 55717 390019 612887 4290209