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404322401 = 7557103699
BaseRepresentation
bin11000000110010…
…111100001100001
31001011210201001202
4120012113201201
51312001304101
6104042010545
713006453340
oct3006274141
91034721052
10404322401
1119825844a
12b34a6a55
13659c5b32
143b9abb57
152576936b
hex18197861

404322401 has 8 divisors (see below), whose sum is σ = 462916800. Its totient is φ = 345936528.

The previous prime is 404322389. The next prime is 404322403. The reversal of 404322401 is 104223404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-404322401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404322403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47951 + ... + 55748.

It is an arithmetic number, because the mean of its divisors is an integer number (57864600).

Almost surely, 2404322401 is an apocalyptic number.

It is an amenable number.

404322401 is a deficient number, since it is larger than the sum of its proper divisors (58594399).

404322401 is a wasteful number, since it uses less digits than its factorization.

404322401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104263.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 404322401 is about 20107.7696674693. The cubic root of 404322401 is about 739.4507739861.

Adding to 404322401 its reverse (104223404), we get a palindrome (508545805).

The spelling of 404322401 in words is "four hundred four million, three hundred twenty-two thousand, four hundred one".

Divisors: 1 7 557 3899 103699 725893 57760343 404322401