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4142209 = 19311701
BaseRepresentation
bin1111110011010010000001
321210110001011
433303102001
52030022314
6224440521
750131261
oct17632201
97713034
104142209
11237a115
121479141
13b20516
1479b7a1
1556c4c4
hex3f3481

4142209 has 8 divisors (see below), whose sum is σ = 4380480. Its totient is φ = 3906000.

The previous prime is 4142179. The next prime is 4142227. The reversal of 4142209 is 9022414.

4142209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4142209 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 4142209.

It is not an unprimeable number, because it can be changed into a prime (4142309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5559 + ... + 6259.

It is an arithmetic number, because the mean of its divisors is an integer number (547560).

Almost surely, 24142209 is an apocalyptic number.

It is an amenable number.

4142209 is a deficient number, since it is larger than the sum of its proper divisors (238271).

4142209 is a wasteful number, since it uses less digits than its factorization.

4142209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 4142209 is about 2035.2417546817. The cubic root of 4142209 is about 160.5994311474.

The spelling of 4142209 in words is "four million, one hundred forty-two thousand, two hundred nine".

Divisors: 1 19 311 701 5909 13319 218011 4142209