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807450997 = 1077546271
BaseRepresentation
bin110000001000001…
…011100101110101
32002021100202112111
4300020023211311
53123201412442
6212042251021
726003135353
oct6010134565
92067322474
10807450997
1138486a981
121a64b6a71
13cb391472
14793487d3
154ad49b17
hex3020b975

807450997 has 4 divisors (see below), whose sum is σ = 814997376. Its totient is φ = 799904620.

The previous prime is 807450991. The next prime is 807451003. The reversal of 807450997 is 799054708.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (807450991) and next prime (807451003).

It is a cyclic number.

It is not a de Polignac number, because 807450997 - 27 = 807450869 is a prime.

It is a super-2 number, since 2×8074509972 = 1303954225112588018, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 807450997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (807450991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3773029 + ... + 3773242.

It is an arithmetic number, because the mean of its divisors is an integer number (203749344).

Almost surely, 2807450997 is an apocalyptic number.

It is an amenable number.

807450997 is a deficient number, since it is larger than the sum of its proper divisors (7546379).

807450997 is a wasteful number, since it uses less digits than its factorization.

807450997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7546378.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 807450997 is about 28415.6822371028. The cubic root of 807450997 is about 931.1909039147.

The spelling of 807450997 in words is "eight hundred seven million, four hundred fifty thousand, nine hundred ninety-seven".

Divisors: 1 107 7546271 807450997