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50309663 = 1919713441
BaseRepresentation
bin1011111111101…
…0101000011111
310111122222212212
42333322220133
5100334402123
64554151035
71150424255
oct277725037
9114588785
1050309663
1126442438
1214a2247b
13a566341
1469785d5
15463b878
hex2ffaa1f

50309663 has 8 divisors (see below), whose sum is σ = 53230320. Its totient is φ = 47416320.

The previous prime is 50309659. The next prime is 50309669. The reversal of 50309663 is 36690305.

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 50309663 - 22 = 50309659 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 (50309669) 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, 2978 + ... + 10463.

It is an arithmetic number, because the mean of its divisors is an integer number (6653790).

Almost surely, 250309663 is an apocalyptic number.

50309663 is a deficient number, since it is larger than the sum of its proper divisors (2920657).

50309663 is a wasteful number, since it uses less digits than its factorization.

50309663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13657.

The product of its (nonzero) digits is 14580, while the sum is 32.

The square root of 50309663 is about 7092.9304945135. The cubic root of 50309663 is about 369.1621240030.

Adding to 50309663 its reverse (36690305), we get a palindrome (86999968).

The spelling of 50309663 in words is "fifty million, three hundred nine thousand, six hundred sixty-three".

Divisors: 1 19 197 3743 13441 255379 2647877 50309663