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83086075 = 5211329411
BaseRepresentation
bin1001111001111…
…00101011111011
312210100012200001
410330330223323
5132232223300
612124453431
72026135312
oct474745373
9183305601
1083086075
1142999886
12239aa277
13142a0c77
14b06b279
15746316a
hex4f3cafb

83086075 has 12 divisors (see below), whose sum is σ = 103942008. Its totient is φ = 65878400.

The previous prime is 83086057. The next prime is 83086079. The reversal of 83086075 is 57068038.

It is not a de Polignac number, because 83086075 - 221 = 80988923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83086079) 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, 11881 + ... + 17530.

It is an arithmetic number, because the mean of its divisors is an integer number (8661834).

Almost surely, 283086075 is an apocalyptic number.

83086075 is a deficient number, since it is larger than the sum of its proper divisors (20855933).

83086075 is a wasteful number, since it uses less digits than its factorization.

83086075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29534 (or 29529 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 83086075 is about 9115.1563343697. The cubic root of 83086075 is about 436.3578043005.

The spelling of 83086075 in words is "eighty-three million, eighty-six thousand, seventy-five".

Divisors: 1 5 25 113 565 2825 29411 147055 735275 3323443 16617215 83086075