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5247210377 = 25720417161
BaseRepresentation
bin1001110001100001…
…00001001110001001
3111112200112220110002
410320300201032021
541221241213002
62224401532345
7244013360303
oct47060411611
914480486402
105247210377
112252a05902
1210253440b5
13658135616
1437ac52973
1520a9d9002
hex138c21389

5247210377 has 4 divisors (see below), whose sum is σ = 5267627796. Its totient is φ = 5226792960.

The previous prime is 5247210347. The next prime is 5247210379. The reversal of 5247210377 is 7730127425.

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 3708688201 + 1538522176 = 60899^2 + 39224^2 .

It is a cyclic number.

It is not a de Polignac number, because 5247210377 - 218 = 5246948233 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 5247210377.

It is not an unprimeable number, because it can be changed into a prime (5247210379) 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, 10208324 + ... + 10208837.

It is an arithmetic number, because the mean of its divisors is an integer number (1316906949).

Almost surely, 25247210377 is an apocalyptic number.

It is an amenable number.

5247210377 is a deficient number, since it is larger than the sum of its proper divisors (20417419).

5247210377 is a wasteful number, since it uses less digits than its factorization.

5247210377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20417418.

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 5247210377 is about 72437.6309455244. The cubic root of 5247210377 is about 1737.7054328600.

The spelling of 5247210377 in words is "five billion, two hundred forty-seven million, two hundred ten thousand, three hundred seventy-seven".

Divisors: 1 257 20417161 5247210377