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1307079797 = 3735326481
BaseRepresentation
bin100110111101000…
…0111010001110101
310101002111112101212
41031322013101311
510134103023142
6333411131205
744250665162
oct11572072165
93332445355
101307079797
116108a3441
123058a3b05
1317aa465ca
14c5845069
1579b3cd82
hex4de87475

1307079797 has 4 divisors (see below), whose sum is σ = 1342406316. Its totient is φ = 1271753280.

The previous prime is 1307079791. The next prime is 1307079827. The reversal of 1307079797 is 7979707031.

It is a happy number.

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 1133736241 + 173343556 = 33671^2 + 13166^2 .

It is a cyclic number.

It is not a de Polignac number, because 1307079797 - 26 = 1307079733 is a prime.

It is a super-2 number, since 2×13070797972 = 3416915191451122418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307079791) 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 3 ways as a sum of consecutive naturals, for example, 17663204 + ... + 17663277.

It is an arithmetic number, because the mean of its divisors is an integer number (335601579).

Almost surely, 21307079797 is an apocalyptic number.

It is an amenable number.

1307079797 is a deficient number, since it is larger than the sum of its proper divisors (35326519).

1307079797 is an equidigital number, since it uses as much as digits as its factorization.

1307079797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35326518.

The product of its (nonzero) digits is 583443, while the sum is 50.

The square root of 1307079797 is about 36153.5585662048. The cubic root of 1307079797 is about 1093.3705383330.

The spelling of 1307079797 in words is "one billion, three hundred seven million, seventy-nine thousand, seven hundred ninety-seven".

Divisors: 1 37 35326481 1307079797