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50235309 = 344314423
BaseRepresentation
bin1011111110100…
…0011110101101
310111112012220000
42333220132231
5100330012214
64552414513
71146664425
oct277503655
9114465800
1050235309
11263a1593
12149a7439
13a53b547
146959485
154624809
hex2fe87ad

50235309 has 20 divisors (see below), whose sum is σ = 76793376. Its totient is φ = 32709096.

The previous prime is 50235301. The next prime is 50235343. The reversal of 50235309 is 90353205.

It is not a de Polignac number, because 50235309 - 23 = 50235301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50235301) 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 19 ways as a sum of consecutive naturals, for example, 3729 + ... + 10694.

Almost surely, 250235309 is an apocalyptic number.

It is an amenable number.

50235309 is a deficient number, since it is larger than the sum of its proper divisors (26558067).

50235309 is a wasteful number, since it uses less digits than its factorization.

50235309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14478 (or 14469 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The square root of 50235309 is about 7087.6871403865. The cubic root of 50235309 is about 368.9801694677.

The spelling of 50235309 in words is "fifty million, two hundred thirty-five thousand, three hundred nine".

Divisors: 1 3 9 27 43 81 129 387 1161 3483 14423 43269 129807 389421 620189 1168263 1860567 5581701 16745103 50235309