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50309669 is a prime number
BaseRepresentation
bin1011111111101…
…0101000100101
310111122222220002
42333322220211
5100334402134
64554151045
71150424264
oct277725045
9114588802
1050309669
1126442443
1214a22485
13a566347
1469785db
15463b87e
hex2ffaa25

50309669 has 2 divisors, whose sum is σ = 50309670. Its totient is φ = 50309668.

The previous prime is 50309659. The next prime is 50309711. The reversal of 50309669 is 96690305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50225569 + 84100 = 7087^2 + 290^2 .

It is a cyclic number.

It is not a de Polignac number, because 50309669 - 224 = 33532453 is a prime.

It is a super-2 number, since 2×503096692 = 5062125589779122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50309659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25154834 + 25154835.

It is an arithmetic number, because the mean of its divisors is an integer number (25154835).

Almost surely, 250309669 is an apocalyptic number.

It is an amenable number.

50309669 is a deficient number, since it is larger than the sum of its proper divisors (1).

50309669 is an equidigital number, since it uses as much as digits as its factorization.

50309669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 50309669 is about 7092.9309174699. The cubic root of 50309669 is about 369.1621386786.

The spelling of 50309669 in words is "fifty million, three hundred nine thousand, six hundred sixty-nine".