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504430001 = 1729672353
BaseRepresentation
bin11110000100001…
…111110110110001
31022011011200212122
4132010033312301
52013113230001
6122015404025
715333404255
oct3604176661
91264150778
10504430001
112398127a9
12120b23615
13806765ba
144adca265
152e440b1b
hex1e10fdb1

504430001 has 4 divisors (see below), whose sum is σ = 534102372. Its totient is φ = 474757632.

The previous prime is 504429983. The next prime is 504430007. The reversal of 504430001 is 100034405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100034405 = 520006881.

It can be written as a sum of positive squares in 2 ways, for example, as 280897600 + 223532401 = 16760^2 + 14951^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-504430001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 29672353 = 504430001 / (5 + 0 + 4 + 4 + 3 + 0 + 0 + 0 + 1).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (504430007) 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, 14836160 + ... + 14836193.

It is an arithmetic number, because the mean of its divisors is an integer number (133525593).

Almost surely, 2504430001 is an apocalyptic number.

It is an amenable number.

504430001 is a deficient number, since it is larger than the sum of its proper divisors (29672371).

504430001 is a wasteful number, since it uses less digits than its factorization.

504430001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29672370.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 504430001 is about 22459.5191622617. The cubic root of 504430001 is about 796.0376998087.

Adding to 504430001 its reverse (100034405), we get a palindrome (604464406).

The spelling of 504430001 in words is "five hundred four million, four hundred thirty thousand, one".

Divisors: 1 17 29672353 504430001