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1530134245 = 5306026849
BaseRepresentation
bin101101100110011…
…1111111011100101
310221122012212120201
41123030333323211
511113203243440
6411500030501
752626632533
oct13314777345
93848185521
101530134245
117157a2562
12368532431
131b50133a3
14107309153
158e4ed19a
hex5b33fee5

1530134245 has 4 divisors (see below), whose sum is σ = 1836161100. Its totient is φ = 1224107392.

The previous prime is 1530134237. The next prime is 1530134251. The reversal of 1530134245 is 5424310351.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 757405441 + 772728804 = 27521^2 + 27798^2 .

It is a cyclic number.

It is not a de Polignac number, because 1530134245 - 23 = 1530134237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153013420 + ... + 153013429.

It is an arithmetic number, because the mean of its divisors is an integer number (459040275).

Almost surely, 21530134245 is an apocalyptic number.

It is an amenable number.

1530134245 is a deficient number, since it is larger than the sum of its proper divisors (306026855).

1530134245 is an equidigital number, since it uses as much as digits as its factorization.

1530134245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306026854.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1530134245 is about 39116.9304138247. The cubic root of 1530134245 is about 1152.3290530265.

Adding to 1530134245 its reverse (5424310351), we get a palindrome (6954444596).

The spelling of 1530134245 in words is "one billion, five hundred thirty million, one hundred thirty-four thousand, two hundred forty-five".

Divisors: 1 5 306026849 1530134245