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8200472639 = 23934311601
BaseRepresentation
bin1111010001100100…
…10100100000111111
3210011111122011122212
413220302110200333
5113243310111024
63433420331035
7410133603332
oct75062244077
923144564585
108200472639
113528a53517
12170a3a3a7b
13a08c34598
1457b170619
1532ede9a0e
hex1e8c9483f

8200472639 has 4 divisors (see below), whose sum is σ = 8234784480. Its totient is φ = 8166160800.

The previous prime is 8200472633. The next prime is 8200472653. The reversal of 8200472639 is 9362740028.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8200472639 - 224 = 8183695423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8200472596 and 8200472605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8200472633) 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, 17155562 + ... + 17156039.

It is an arithmetic number, because the mean of its divisors is an integer number (2058696120).

Almost surely, 28200472639 is an apocalyptic number.

8200472639 is a deficient number, since it is larger than the sum of its proper divisors (34311841).

8200472639 is a wasteful number, since it uses less digits than its factorization.

8200472639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34311840.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 8200472639 is about 90556.4610560726. The cubic root of 8200472639 is about 2016.5684179928.

The spelling of 8200472639 in words is "eight billion, two hundred million, four hundred seventy-two thousand, six hundred thirty-nine".

Divisors: 1 239 34311601 8200472639