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300144401 = 1789198377
BaseRepresentation
bin10001111000111…
…101011100010001
3202220202220201022
4101320331130101
51103314110101
645441045225
710303120364
oct2170753421
9686686638
10300144401
11144472a27
1284626815
134a24b74b
142bc100db
151b53ba1b
hex11e3d711

300144401 has 8 divisors (see below), whose sum is σ = 321372360. Its totient is φ = 279313408.

The previous prime is 300144379. The next prime is 300144409. The reversal of 300144401 is 104441003.

It can be written as a sum of positive squares in 4 ways, for example, as 85082176 + 215062225 = 9224^2 + 14665^2 .

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 300144401 - 222 = 295950097 is a prime.

It is a super-2 number, since 2×3001444012 = 180173322903297602, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 300144401.

It is not an unprimeable number, because it can be changed into a prime (300144409) 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, 97676 + ... + 100701.

It is an arithmetic number, because the mean of its divisors is an integer number (40171545).

Almost surely, 2300144401 is an apocalyptic number.

It is an amenable number.

300144401 is a deficient number, since it is larger than the sum of its proper divisors (21227959).

300144401 is a wasteful number, since it uses less digits than its factorization.

300144401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198483.

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

The square root of 300144401 is about 17324.6760720078. The cubic root of 300144401 is about 669.5403403953.

Adding to 300144401 its reverse (104441003), we get a palindrome (404585404).

The spelling of 300144401 in words is "three hundred million, one hundred forty-four thousand, four hundred one".