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422147663 = 7103585503
BaseRepresentation
bin11001001010010…
…111011001001111
31002102100022201122
4121022113121033
51331032211123
6105520031155
713314124130
oct3112273117
91072308648
10422147663
111a7322873
12b94624bb
13695c7422
14400cbc87
15270dabc8
hex1929764f

422147663 has 8 divisors (see below), whose sum is σ = 487139328. Its totient is φ = 358327224.

The previous prime is 422147659. The next prime is 422147683. The reversal of 422147663 is 366741224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 422147663 - 22 = 422147659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422147683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292031 + ... + 293472.

It is an arithmetic number, because the mean of its divisors is an integer number (60892416).

Almost surely, 2422147663 is an apocalyptic number.

422147663 is a deficient number, since it is larger than the sum of its proper divisors (64991665).

422147663 is a wasteful number, since it uses less digits than its factorization.

422147663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585613.

The product of its digits is 48384, while the sum is 35.

The square root of 422147663 is about 20546.2323310139. The cubic root of 422147663 is about 750.1615432766.

Adding to 422147663 its reverse (366741224), we get a palindrome (788888887).

The spelling of 422147663 in words is "four hundred twenty-two million, one hundred forty-seven thousand, six hundred sixty-three".

Divisors: 1 7 103 721 585503 4098521 60306809 422147663