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1530204142 = 2765102071
BaseRepresentation
bin101101100110101…
…0000111111101110
310221122100102110111
41123031100333232
511113213013032
6411501330234
752630343365
oct13315207756
93848312414
101530204142
11715840025
1236856697a
131b503914c
141073267dc
158e513c47
hex5b350fee

1530204142 has 4 divisors (see below), whose sum is σ = 2295306216. Its totient is φ = 765102070.

The previous prime is 1530204139. The next prime is 1530204209. The reversal of 1530204142 is 2414020351.

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

It is a congruent number.

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 as a sum of consecutive naturals, namely, 382551034 + ... + 382551037.

It is an arithmetic number, because the mean of its divisors is an integer number (573826554).

Almost surely, 21530204142 is an apocalyptic number.

1530204142 is a deficient number, since it is larger than the sum of its proper divisors (765102074).

1530204142 is an equidigital number, since it uses as much as digits as its factorization.

1530204142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765102073.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1530204142 is about 39117.8238402905. The cubic root of 1530204142 is about 1152.3465990071.

Adding to 1530204142 its reverse (2414020351), we get a palindrome (3944224493).

The spelling of 1530204142 in words is "one billion, five hundred thirty million, two hundred four thousand, one hundred forty-two".

Divisors: 1 2 765102071 1530204142