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404130401 = 23173310139
BaseRepresentation
bin11000000101101…
…000101001100001
31001011102221200122
4120011220221201
51311424133101
6104033530025
713005023513
oct3005505141
91034387618
10404130401
11198137174
12b3413915
136595961c
143b95bbb3
152572c51b
hex18168a61

404130401 has 8 divisors (see below), whose sum is σ = 421986240. Its totient is φ = 386298352.

The previous prime is 404130379. The next prime is 404130439. The reversal of 404130401 is 104031404.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-404130401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404130401.

It is not an unprimeable number, because it can be changed into a prime (404130451) 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 in 7 ways as a sum of consecutive naturals, for example, 34790 + ... + 44928.

It is an arithmetic number, because the mean of its divisors is an integer number (52748280).

Almost surely, 2404130401 is an apocalyptic number.

It is an amenable number.

404130401 is a deficient number, since it is larger than the sum of its proper divisors (17855839).

404130401 is a wasteful number, since it uses less digits than its factorization.

404130401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11895.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 404130401 is about 20102.9948266421. The cubic root of 404130401 is about 739.3337081436. Note that the first 3 decimals are identical.

Adding to 404130401 its reverse (104031404), we get a palindrome (508161805).

The spelling of 404130401 in words is "four hundred four million, one hundred thirty thousand, four hundred one".

Divisors: 1 23 1733 10139 39859 233197 17570887 404130401