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530147230 = 25233227531
BaseRepresentation
bin11111100110010…
…110011110011110
31100221120021021121
4133212112132132
52041204202410
6124334521154
716065114514
oct3746263636
91327507247
10530147230
11252288508
121296661ba
1385aac0b2
14505a24b4
15318209da
hex1f99679e

530147230 has 16 divisors (see below), whose sum is σ = 958364784. Its totient is φ = 211147840.

The previous prime is 530147209. The next prime is 530147249. The reversal of 530147230 is 32741035.

It is a junction number, because it is equal to n+sod(n) for n = 530147195 and 530147204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111436 + ... + 116095.

It is an arithmetic number, because the mean of its divisors is an integer number (59897799).

Almost surely, 2530147230 is an apocalyptic number.

530147230 is a deficient number, since it is larger than the sum of its proper divisors (428217554).

530147230 is a wasteful number, since it uses less digits than its factorization.

530147230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227771.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 530147230 is about 23024.9262756692. The cubic root of 530147230 is about 809.3421626287.

Adding to 530147230 its reverse (32741035), we get a palindrome (562888265).

The spelling of 530147230 in words is "five hundred thirty million, one hundred forty-seven thousand, two hundred thirty".

Divisors: 1 2 5 10 233 466 1165 2330 227531 455062 1137655 2275310 53014723 106029446 265073615 530147230