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6490005301 = 13499231177
BaseRepresentation
bin1100000101101010…
…11001111100110101
3121202022002102120201
412002311121330311
5101242420132201
62551555200501
7316554064153
oct60265317465
917668072521
106490005301
11283049104a
1213115a6131
137c5761830
14457d223d3
1527eb79801
hex182d59f35

6490005301 has 4 divisors (see below), whose sum is σ = 6989236492. Its totient is φ = 5990774112.

The previous prime is 6490005299. The next prime is 6490005307. The reversal of 6490005301 is 1035000946.

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 3657104676 + 2832900625 = 60474^2 + 53225^2 .

It is a cyclic number.

It is not a de Polignac number, because 6490005301 - 21 = 6490005299 is a prime.

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 6490005301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6490005307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249615576 + ... + 249615601.

It is an arithmetic number, because the mean of its divisors is an integer number (1747309123).

Almost surely, 26490005301 is an apocalyptic number.

It is an amenable number.

6490005301 is a deficient number, since it is larger than the sum of its proper divisors (499231191).

6490005301 is a wasteful number, since it uses less digits than its factorization.

6490005301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499231190.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 6490005301 is about 80560.5691452090. The cubic root of 6490005301 is about 1865.2985409042.

The spelling of 6490005301 in words is "six billion, four hundred ninety million, five thousand, three hundred one".

Divisors: 1 13 499231177 6490005301