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83358085 = 5148111257
BaseRepresentation
bin1001111011111…
…11000110000101
312210212000210111
410331333012011
5132314424320
612134353021
72031350326
oct475770605
9183760714
1083358085
1143065188
1223abb771
1314367a15
14b0dc44d
1574b8a5a
hex4f7f185

83358085 has 8 divisors (see below), whose sum is σ = 100106136. Its totient is φ = 66635520.

The previous prime is 83358071. The next prime is 83358097. The reversal of 83358085 is 58085338.

It can be written as a sum of positive squares in 4 ways, for example, as 17715681 + 65642404 = 4209^2 + 8102^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83358085 - 211 = 83356037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1777 + ... + 13033.

It is an arithmetic number, because the mean of its divisors is an integer number (12513267).

Almost surely, 283358085 is an apocalyptic number.

It is an amenable number.

83358085 is a deficient number, since it is larger than the sum of its proper divisors (16748051).

83358085 is a wasteful number, since it uses less digits than its factorization.

83358085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12743.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 83358085 is about 9130.0648957168. The cubic root of 83358085 is about 436.8334732322.

The spelling of 83358085 in words is "eighty-three million, three hundred fifty-eight thousand, eighty-five".

Divisors: 1 5 1481 7405 11257 56285 16671617 83358085