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50909085 = 325412673
BaseRepresentation
bin1100001000110…
…0111110011101
310112210110010200
43002030332131
5101013042320
65015054113
71155501663
oct302147635
9115713120
1050909085
1126811827
1215071339
13a716126
146a92c33
154709290
hex308cf9d

50909085 has 36 divisors (see below), whose sum is σ = 90581556. Its totient is φ = 26449920.

The previous prime is 50909069. The next prime is 50909087. The reversal of 50909085 is 58090905.

It can be written as a sum of positive squares in 6 ways, for example, as 22297284 + 28611801 = 4722^2 + 5349^2 .

It is not a de Polignac number, because 50909085 - 24 = 50909069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50909087) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 75309 + ... + 75981.

Almost surely, 250909085 is an apocalyptic number.

It is an amenable number.

50909085 is a deficient number, since it is larger than the sum of its proper divisors (39672471).

50909085 is a wasteful number, since it uses less digits than its factorization.

50909085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The square root of 50909085 is about 7135.0602660384. The cubic root of 50909085 is about 370.6224851410.

The spelling of 50909085 in words is "fifty million, nine hundred nine thousand, eighty-five".

Divisors: 1 3 5 9 15 41 45 123 205 369 615 673 1681 1845 2019 3365 5043 6057 8405 10095 15129 25215 27593 30285 75645 82779 137965 248337 413895 1131313 1241685 3393939 5656565 10181817 16969695 50909085