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530143201 = 7531543
BaseRepresentation
bin11111100110010…
…101011111100001
31100221120001202101
4133212111133201
52041204040301
6124334450401
716065100000
oct3746253741
91327501671
10530143201
11252285485
12129663a01
1385aaa303
14505a0c37
153181e701
hex1f9957e1

530143201 has 12 divisors (see below), whose sum is σ = 618514752. Its totient is φ = 454394052.

The previous prime is 530143193. The next prime is 530143213. The reversal of 530143201 is 102341035.

It is not a de Polignac number, because 530143201 - 23 = 530143193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530143501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1036 + ... + 32578.

It is an arithmetic number, because the mean of its divisors is an integer number (51542896).

Almost surely, 2530143201 is an apocalyptic number.

It is an amenable number.

530143201 is a deficient number, since it is larger than the sum of its proper divisors (88371551).

530143201 is an frugal number, since it uses more digits than its factorization.

530143201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31578 (or 31550 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 530143201 is about 23024.8387833661. The cubic root of 530143201 is about 809.3401123506.

Adding to 530143201 its reverse (102341035), we get a palindrome (632484236).

The spelling of 530143201 in words is "five hundred thirty million, one hundred forty-three thousand, two hundred one".

Divisors: 1 7 49 343 2401 16807 31543 220801 1545607 10819249 75734743 530143201