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2004421401 = 32222713489
BaseRepresentation
bin111011101111001…
…0000101100011001
312011200200011020200
41313132100230121
513101112441101
6530521412413
7100446205113
oct16736205431
95150604220
102004421401
11939497514
1247b33a109
1325c364988
141502ca3b3
15bae87986
hex77790b19

2004421401 has 6 divisors (see below), whose sum is σ = 2895275370. Its totient is φ = 1336280928.

The previous prime is 2004421301. The next prime is 2004421403. The reversal of 2004421401 is 1041244002.

2004421401 is a `hidden beast` number, since 200 + 4 + 421 + 40 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1590095376 + 414326025 = 39876^2 + 20355^2 .

It is not a de Polignac number, because 2004421401 - 214 = 2004405017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2004421403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111356736 + ... + 111356753.

It is an arithmetic number, because the mean of its divisors is an integer number (482545895).

Almost surely, 22004421401 is an apocalyptic number.

It is an amenable number.

2004421401 is a deficient number, since it is larger than the sum of its proper divisors (890853969).

2004421401 is a wasteful number, since it uses less digits than its factorization.

2004421401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222713495 (or 222713492 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2004421401 is about 44770.7650258514. The cubic root of 2004421401 is about 1260.8488026009.

Adding to 2004421401 its reverse (1041244002), we get a palindrome (3045665403).

The spelling of 2004421401 in words is "two billion, four million, four hundred twenty-one thousand, four hundred one".

Divisors: 1 3 9 222713489 668140467 2004421401