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1530450075 = 3527211172131
BaseRepresentation
bin101101100111000…
…1101000010011011
310221122210220211010
41123032031002123
511113243400300
6411510505003
752632416400
oct13316150233
93848726733
101530450075
11715998880
12368665163
131b50c407b
1410738c2a7
158e561a50
hex5b38d09b

1530450075 has 216 divisors, whose sum is σ = 3437083584. Its totient is φ = 594048000.

The previous prime is 1530450059. The next prime is 1530450079. The reversal of 1530450075 is 5700540351.

1530450075 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1530450075 - 24 = 1530450059 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1530450079) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 11682760 + ... + 11682890.

It is an arithmetic number, because the mean of its divisors is an integer number (15912424).

Almost surely, 21530450075 is an apocalyptic number.

1530450075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1530450075 is an abundant number, since it is smaller than the sum of its proper divisors (1906633509).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1530450075 is a wasteful number, since it uses less digits than its factorization.

1530450075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 1530450075 is about 39120.9672043011. The cubic root of 1530450075 is about 1152.4083303947.

The spelling of 1530450075 in words is "one billion, five hundred thirty million, four hundred fifty thousand, seventy-five".