Search a number
-
+
83074085 = 516614817
BaseRepresentation
bin1001111001110…
…01110000100101
312210022121012222
410330321300211
5132231332320
612124322125
72026055333
oct474716045
9183277188
1083074085
1142990876
12239a3345
1314298683
14b066b53
15745e825
hex4f39c25

83074085 has 4 divisors (see below), whose sum is σ = 99688908. Its totient is φ = 66459264.

The previous prime is 83074063. The next prime is 83074111. The reversal of 83074085 is 58047038.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23367556 + 59706529 = 4834^2 + 7727^2 .

It is a cyclic number.

It is not a de Polignac number, because 83074085 - 26 = 83074021 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 3 ways as a sum of consecutive naturals, for example, 8307404 + ... + 8307413.

It is an arithmetic number, because the mean of its divisors is an integer number (24922227).

Almost surely, 283074085 is an apocalyptic number.

It is an amenable number.

83074085 is a deficient number, since it is larger than the sum of its proper divisors (16614823).

83074085 is a wasteful number, since it uses less digits than its factorization.

83074085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16614822.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 83074085 is about 9114.4986148444. The cubic root of 83074085 is about 436.3368132910.

The spelling of 83074085 in words is "eighty-three million, seventy-four thousand, eighty-five".

Divisors: 1 5 16614817 83074085