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82915087 is a prime number
BaseRepresentation
bin1001111000100…
…10111100001111
312210000112010011
410330102330033
5132211240322
612121054051
72024523643
oct474227417
9183015104
1082915087
1142892372
1223927327
13142411a8
14b024c23
15742c677
hex4f12f0f

82915087 has 2 divisors, whose sum is σ = 82915088. Its totient is φ = 82915086.

The previous prime is 82915081. The next prime is 82915093. The reversal of 82915087 is 78051928.

It is a balanced prime because it is at equal distance from previous prime (82915081) and next prime (82915093).

It is a cyclic number.

It is not a de Polignac number, because 82915087 - 27 = 82914959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82915081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41457543 + 41457544.

It is an arithmetic number, because the mean of its divisors is an integer number (41457544).

Almost surely, 282915087 is an apocalyptic number.

82915087 is a deficient number, since it is larger than the sum of its proper divisors (1).

82915087 is an equidigital number, since it uses as much as digits as its factorization.

82915087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 82915087 is about 9105.7721803261. The cubic root of 82915087 is about 436.0582627720.

The spelling of 82915087 in words is "eighty-two million, nine hundred fifteen thousand, eighty-seven".