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1330247849 = 72365312653
BaseRepresentation
bin100111101001001…
…1111100010101001
310102201002120222212
41033102133202221
510211020412344
6335555454505
744651630420
oct11722374251
93381076885
101330247849
11622987997
123115b7435
13182798a08
14c89562b7
157bbb779e
hex4f49f8a9

1330247849 has 16 divisors (see below), whose sum is σ = 1588937472. Its totient is φ = 1088881728.

The previous prime is 1330247839. The next prime is 1330247873. The reversal of 1330247849 is 9487420331.

It is a cyclic number.

It is not a de Polignac number, because 1330247849 - 24 = 1330247833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330247839) 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 15 ways as a sum of consecutive naturals, for example, 98807 + ... + 111459.

It is an arithmetic number, because the mean of its divisors is an integer number (99308592).

Almost surely, 21330247849 is an apocalyptic number.

It is an amenable number.

1330247849 is a deficient number, since it is larger than the sum of its proper divisors (258689623).

1330247849 is a wasteful number, since it uses less digits than its factorization.

1330247849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13336.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 1330247849 is about 36472.5629617662. The cubic root of 1330247849 is about 1099.7927568250.

The spelling of 1330247849 in words is "one billion, three hundred thirty million, two hundred forty-seven thousand, eight hundred forty-nine".

Divisors: 1 7 23 161 653 4571 12653 15019 88571 105133 291019 2037133 8262409 57836863 190035407 1330247849