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1530434253 = 3697173181
BaseRepresentation
bin101101100111000…
…1001001011001101
310221122210010010010
41123032021023031
511113242344003
6411510303433
752632322305
oct13316111315
93848703103
101530434253
117159879a7
12368657b79
131b50b9aca
14107386605
158e55c003
hex5b3892cd

1530434253 has 8 divisors (see below), whose sum is σ = 2040899616. Its totient is φ = 1020129200.

The previous prime is 1530434239. The next prime is 1530434263. The reversal of 1530434253 is 3524340351.

1530434253 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 1530434253 - 213 = 1530426061 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1530434253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530434203) 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, 15678 + ... + 57503.

It is an arithmetic number, because the mean of its divisors is an integer number (255112452).

Almost surely, 21530434253 is an apocalyptic number.

It is an amenable number.

1530434253 is a deficient number, since it is larger than the sum of its proper divisors (510465363).

1530434253 is an equidigital number, since it uses as much as digits as its factorization.

1530434253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80155.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 1530434253 is about 39120.7649848517. The cubic root of 1530434253 is about 1152.4043591299.

The spelling of 1530434253 in words is "one billion, five hundred thirty million, four hundred thirty-four thousand, two hundred fifty-three".

Divisors: 1 3 6971 20913 73181 219543 510144751 1530434253