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530473249 = 2931215861
BaseRepresentation
bin11111100111100…
…110000100100001
31100222011211111101
4133213212010201
52041300120444
6124345514401
716100643145
oct3747460441
91328154441
10530473249
11252490449
121297a2a01
1385b945c7
1450649225
15318873d4
hex1f9e6121

530473249 has 8 divisors (see below), whose sum is σ = 549034920. Its totient is φ = 511929600.

The previous prime is 530473247. The next prime is 530473259. The reversal of 530473249 is 942374035.

It can be written as a sum of positive squares in 4 ways, for example, as 225 + 530473024 = 15^2 + 23032^2 .

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 530473249 - 21 = 530473247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530473247) 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, 87579 + ... + 93439.

It is an arithmetic number, because the mean of its divisors is an integer number (68629365).

Almost surely, 2530473249 is an apocalyptic number.

It is an amenable number.

530473249 is a deficient number, since it is larger than the sum of its proper divisors (18561671).

530473249 is a wasteful number, since it uses less digits than its factorization.

530473249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9011.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 530473249 is about 23032.0048845080. The cubic root of 530473249 is about 809.5080328111.

The spelling of 530473249 in words is "five hundred thirty million, four hundred seventy-three thousand, two hundred forty-nine".

Divisors: 1 29 3121 5861 90509 169969 18292181 530473249