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404224201 = 745154251
BaseRepresentation
bin11000000101111…
…111100011001001
31001011121201100201
4120011333203021
51311440133301
6104035532201
713005564133
oct3005774311
91034551321
10404224201
111981a0697
12b345a061
1365990224
143b984053
152574a201
hex1817f8c9

404224201 has 4 divisors (see below), whose sum is σ = 404285904. Its totient is φ = 404162500.

The previous prime is 404224169. The next prime is 404224213. The reversal of 404224201 is 102422404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 404224201 - 25 = 404224169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404224291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19675 + ... + 34576.

It is an arithmetic number, because the mean of its divisors is an integer number (101071476).

Almost surely, 2404224201 is an apocalyptic number.

It is an amenable number.

404224201 is a deficient number, since it is larger than the sum of its proper divisors (61703).

404224201 is an equidigital number, since it uses as much as digits as its factorization.

404224201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61702.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 404224201 is about 20105.3276770114. The cubic root of 404224201 is about 739.3909043167.

Adding to 404224201 its reverse (102422404), we get a palindrome (506646605).

The spelling of 404224201 in words is "four hundred four million, two hundred twenty-four thousand, two hundred one".

Divisors: 1 7451 54251 404224201