Search a number
-
+
404422141 = 8911340213
BaseRepresentation
bin11000000110101…
…111110111111101
31001011222202212211
4120012233313331
51312013002031
6104044100421
713010350204
oct3006576775
91034882784
10404422141
11198316382
12b3534711
1365a2c356
143b9d623b
1525788bb1
hex181afdfd

404422141 has 8 divisors (see below), whose sum is σ = 412595640. Its totient is φ = 396329472.

The previous prime is 404422127. The next prime is 404422153. The reversal of 404422141 is 141224404.

It can be written as a sum of positive squares in 4 ways, for example, as 6579225 + 397842916 = 2565^2 + 19946^2 .

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 404422141 - 27 = 404422013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404422111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10050 + ... + 30163.

It is an arithmetic number, because the mean of its divisors is an integer number (51574455).

Almost surely, 2404422141 is an apocalyptic number.

It is an amenable number.

404422141 is a deficient number, since it is larger than the sum of its proper divisors (8173499).

404422141 is a wasteful number, since it uses less digits than its factorization.

404422141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40415.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 404422141 is about 20110.2496503649. The cubic root of 404422141 is about 739.5115726263.

Adding to 404422141 its reverse (141224404), we get a palindrome (545646545).

The spelling of 404422141 in words is "four hundred four million, four hundred twenty-two thousand, one hundred forty-one".

Divisors: 1 89 113 10057 40213 3578957 4544069 404422141