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82719092 = 2289232357
BaseRepresentation
bin1001110111000…
…11000101110100
312202122120021002
410323203011310
5132134002332
612112542432
72023046351
oct473430564
9182576232
1082719092
1142769095
1223851a18
13141a2c11
14adb3628
1573de562
hex4ee3174

82719092 has 12 divisors (see below), whose sum is σ = 146385540. Its totient is φ = 40894656.

The previous prime is 82719079. The next prime is 82719113. The reversal of 82719092 is 29091728.

It can be written as a sum of positive squares in 2 ways, for example, as 50751376 + 31967716 = 7124^2 + 5654^2 .

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, 115823 + ... + 116534.

It is an arithmetic number, because the mean of its divisors is an integer number (12198795).

Almost surely, 282719092 is an apocalyptic number.

It is an amenable number.

82719092 is a deficient number, since it is larger than the sum of its proper divisors (63666448).

82719092 is a wasteful number, since it uses less digits than its factorization.

82719092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232450 (or 232448 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 82719092 is about 9095.0036833418. The cubic root of 82719092 is about 435.7144062963.

The spelling of 82719092 in words is "eighty-two million, seven hundred nineteen thousand, ninety-two".

Divisors: 1 2 4 89 178 356 232357 464714 929428 20679773 41359546 82719092