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1481530077 = 321249131797
BaseRepresentation
bin101100001001110…
…0101101011011101
310211020202112012100
41120103211223131
511013232430302
6403002155313
751466540446
oct13023455335
93736675170
101481530077
116a0315525
123541b2b39
131a7c26421
14100a962cd
158a0ebd1c
hex584e5add

1481530077 has 12 divisors (see below), whose sum is σ = 2141717500. Its totient is φ = 986888448.

The previous prime is 1481530067. The next prime is 1481530079. The reversal of 1481530077 is 7700351841.

It can be written as a sum of positive squares in 2 ways, for example, as 1026177156 + 455352921 = 32034^2 + 21339^2 .

It is not a de Polignac number, because 1481530077 - 26 = 1481530013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481530079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54658 + ... + 77139.

Almost surely, 21481530077 is an apocalyptic number.

It is an amenable number.

1481530077 is a deficient number, since it is larger than the sum of its proper divisors (660187423).

1481530077 is a wasteful number, since it uses less digits than its factorization.

1481530077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133052 (or 133049 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 1481530077 is about 38490.6492151016. The cubic root of 1481530077 is about 1139.9964288900.

The spelling of 1481530077 in words is "one billion, four hundred eighty-one million, five hundred thirty thousand, seventy-seven".

Divisors: 1 3 9 1249 3747 11241 131797 395391 1186173 164614453 493843359 1481530077