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202040401 is a prime number
BaseRepresentation
bin11000000101011…
…10010001010001
3112002011201022211
430002232101101
5403210243101
632014232121
75002213033
oct1402562121
9462151284
10202040401
11a4056a42
12577b5641
1332b1cc44
141cb93c53
1512b0dc51
hexc0ae451

202040401 has 2 divisors, whose sum is σ = 202040402. Its totient is φ = 202040400.

The previous prime is 202040389. The next prime is 202040431. The reversal of 202040401 is 104040202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143976001 + 58064400 = 11999^2 + 7620^2 .

It is a cyclic number.

It is not a de Polignac number, because 202040401 - 223 = 193651793 is a prime.

It is not a weakly prime, because it can be changed into another prime (202040431) 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 as a sum of consecutive naturals, namely, 101020200 + 101020201.

It is an arithmetic number, because the mean of its divisors is an integer number (101020201).

Almost surely, 2202040401 is an apocalyptic number.

It is an amenable number.

202040401 is a deficient number, since it is larger than the sum of its proper divisors (1).

202040401 is an equidigital number, since it uses as much as digits as its factorization.

202040401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 202040401 is about 14214.0916347124. The cubic root of 202040401 is about 586.7855456336.

Adding to 202040401 its reverse (104040202), we get a palindrome (306080603).

The spelling of 202040401 in words is "two hundred two million, forty thousand, four hundred one".