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404864201 = 757837743
BaseRepresentation
bin11000001000011…
…011110011001001
31001012211020021102
4120020123303021
51312121123301
6104101351145
713014201050
oct3010336311
91035736242
10404864201
11198598515
12b37084b5
1365b55621
143baad397
1525824b6b
hex1821bcc9

404864201 has 4 divisors (see below), whose sum is σ = 462701952. Its totient is φ = 347026452.

The previous prime is 404864111. The next prime is 404864203. The reversal of 404864201 is 102468404.

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 a de Polignac number, because none of the positive numbers 2k-404864201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404864203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28918865 + ... + 28918878.

It is an arithmetic number, because the mean of its divisors is an integer number (115675488).

Almost surely, 2404864201 is an apocalyptic number.

It is an amenable number.

404864201 is a deficient number, since it is larger than the sum of its proper divisors (57837751).

404864201 is an equidigital number, since it uses as much as digits as its factorization.

404864201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57837750.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 404864201 is about 20121.2375613430. The cubic root of 404864201 is about 739.7809194417.

The spelling of 404864201 in words is "four hundred four million, eight hundred sixty-four thousand, two hundred one".

Divisors: 1 7 57837743 404864201