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1530297265 = 57103424493
BaseRepresentation
bin101101100110110…
…0111101110110001
310221122112011012111
41123031213232301
511113224003030
6411503325321
752631212030
oct13315475661
93848464174
101530297265
117158a3a92
123685b0841
131b506c653
1410734c717
158e53162a
hex5b367bb1

1530297265 has 16 divisors (see below), whose sum is σ = 2119074048. Its totient is φ = 1039156416.

The previous prime is 1530297257. The next prime is 1530297281. The reversal of 1530297265 is 5627920351.

It is a cyclic number.

It is not a de Polignac number, because 1530297265 - 23 = 1530297257 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 208642 + ... + 215851.

It is an arithmetic number, because the mean of its divisors is an integer number (132442128).

Almost surely, 21530297265 is an apocalyptic number.

It is an amenable number.

1530297265 is a deficient number, since it is larger than the sum of its proper divisors (588776783).

1530297265 is a wasteful number, since it uses less digits than its factorization.

1530297265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424608.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 1530297265 is about 39119.0141107876. The cubic root of 1530297265 is about 1152.3699744929.

The spelling of 1530297265 in words is "one billion, five hundred thirty million, two hundred ninety-seven thousand, two hundred sixty-five".

Divisors: 1 5 7 35 103 515 721 3605 424493 2122465 2971451 14857255 43722779 218613895 306059453 1530297265