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50381397 = 3211508903
BaseRepresentation
bin1100000000110…
…0001001010101
310111210122021200
43000030021111
5100344201042
64555503113
71151143353
oct300141125
9114718250
1050381397
1126491320
1214a57a99
13a58cba1
1469967d3
154652c4c
hex300c255

50381397 has 12 divisors (see below), whose sum is σ = 79389024. Its totient is φ = 30534120.

The previous prime is 50381351. The next prime is 50381411. The reversal of 50381397 is 79318305.

It is not a de Polignac number, because 50381397 - 27 = 50381269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50381327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254353 + ... + 254550.

It is an arithmetic number, because the mean of its divisors is an integer number (6615752).

Almost surely, 250381397 is an apocalyptic number.

It is an amenable number.

50381397 is a deficient number, since it is larger than the sum of its proper divisors (29007627).

50381397 is a wasteful number, since it uses less digits than its factorization.

50381397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508920 (or 508917 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 50381397 is about 7097.9854184127. The cubic root of 50381397 is about 369.3374972017.

The spelling of 50381397 in words is "fifty million, three hundred eighty-one thousand, three hundred ninety-seven".

Divisors: 1 3 9 11 33 99 508903 1526709 4580127 5597933 16793799 50381397