Search a number
-
+
4209401 = 7631953
BaseRepresentation
bin10000000011101011111001
321220212012202
4100003223321
52034200101
6230115545
750531210
oct20035371
97825182
104209401
112415649
1214abbb5
13b44c91
147b8077
1558236b
hex403af9

4209401 has 8 divisors (see below), whose sum is σ = 4823424. Its totient is φ = 3598560.

The previous prime is 4209389. The next prime is 4209407. The reversal of 4209401 is 1049024.

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

It is a de Polignac number, because none of the positive numbers 2k-4209401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4209407) 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, 3941 + ... + 4893.

It is an arithmetic number, because the mean of its divisors is an integer number (602928).

Almost surely, 24209401 is an apocalyptic number.

It is an amenable number.

4209401 is a deficient number, since it is larger than the sum of its proper divisors (614023).

4209401 is an equidigital number, since it uses as much as digits as its factorization.

4209401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 4209401 is about 2051.6824803073. The cubic root of 4209401 is about 161.4631546013.

The spelling of 4209401 in words is "four million, two hundred nine thousand, four hundred one".

Divisors: 1 7 631 953 4417 6671 601343 4209401