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82787092 = 2220696773
BaseRepresentation
bin1001110111100…
…11101100010100
312202210000112121
410323303230110
5132143141332
612114225324
72023451533
oct473635424
9182700477
1082787092
1142805193
1223885244
13141c7b5b
14add031a
157404797
hex4ef3b14

82787092 has 6 divisors (see below), whose sum is σ = 144877418. Its totient is φ = 41393544.

The previous prime is 82787071. The next prime is 82787101. The reversal of 82787092 is 29078728.

It can be written as a sum of positive squares in only one way, i.e., 53670276 + 29116816 = 7326^2 + 5396^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10348383 + ... + 10348390.

Almost surely, 282787092 is an apocalyptic number.

It is an amenable number.

82787092 is a deficient number, since it is larger than the sum of its proper divisors (62090326).

82787092 is a wasteful number, since it uses less digits than its factorization.

82787092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20696777 (or 20696775 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 82787092 is about 9098.7412316210. The cubic root of 82787092 is about 435.8337679567.

The spelling of 82787092 in words is "eighty-two million, seven hundred eighty-seven thousand, ninety-two".

Divisors: 1 2 4 20696773 41393546 82787092