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530491263 = 38313715551
BaseRepresentation
bin11111100111101…
…010011101111111
31100222012202012120
4133213222131333
52041301210023
6124350134023
716101046521
oct3747523577
91328182176
10530491263
112524a2a35
121297b1313
1385b9c873
1450651a11
153188c8e3
hex1f9ea77f

530491263 has 16 divisors (see below), whose sum is σ = 721115136. Its totient is φ = 346827200.

The previous prime is 530491223. The next prime is 530491279. The reversal of 530491263 is 362194035.

It is a cyclic number.

It is not a de Polignac number, because 530491263 - 213 = 530483071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530491223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26338 + ... + 41888.

It is an arithmetic number, because the mean of its divisors is an integer number (45069696).

Almost surely, 2530491263 is an apocalyptic number.

530491263 is a deficient number, since it is larger than the sum of its proper divisors (190623873).

530491263 is a wasteful number, since it uses less digits than its factorization.

530491263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15774.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 530491263 is about 23032.3959457109. The cubic root of 530491263 is about 809.5171958949.

The spelling of 530491263 in words is "five hundred thirty million, four hundred ninety-one thousand, two hundred sixty-three".

Divisors: 1 3 83 137 249 411 11371 15551 34113 46653 1290733 2130487 3872199 6391461 176830421 530491263