Search a number
-
+
485507801 is a prime number
BaseRepresentation
bin11100111100000…
…100001011011001
31020211120100111102
4130330010023121
51443242222201
6120102041145
715013514432
oct3474041331
91224510442
10485507801
1122a069219
121167191b5
137977c92c
14486a2489
152c95426b
hex1cf042d9

485507801 has 2 divisors, whose sum is σ = 485507802. Its totient is φ = 485507800.

The previous prime is 485507767. The next prime is 485507809. The reversal of 485507801 is 108705584.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 465696400 + 19811401 = 21580^2 + 4451^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-485507801 is a prime.

It is not a weakly prime, because it can be changed into another prime (485507809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242753900 + 242753901.

It is an arithmetic number, because the mean of its divisors is an integer number (242753901).

Almost surely, 2485507801 is an apocalyptic number.

It is an amenable number.

485507801 is a deficient number, since it is larger than the sum of its proper divisors (1).

485507801 is an equidigital number, since it uses as much as digits as its factorization.

485507801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 485507801 is about 22034.2415571764. The cubic root of 485507801 is about 785.9569116786.

The spelling of 485507801 in words is "four hundred eighty-five million, five hundred seven thousand, eight hundred one".