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115041287 is a prime number
BaseRepresentation
bin1101101101101…
…10010000000111
322000110200222102
412312312100013
5213422310122
615225422315
72564556224
oct666662007
9260420872
10115041287
1159a35249
123263a99b
131aaabb8a
14113c894b
15a176492
hex6db6407

115041287 has 2 divisors, whose sum is σ = 115041288. Its totient is φ = 115041286.

The previous prime is 115041271. The next prime is 115041319. The reversal of 115041287 is 782140511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115041287 - 24 = 115041271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115041587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57520643 + 57520644.

It is an arithmetic number, because the mean of its divisors is an integer number (57520644).

Almost surely, 2115041287 is an apocalyptic number.

115041287 is a deficient number, since it is larger than the sum of its proper divisors (1).

115041287 is an equidigital number, since it uses as much as digits as its factorization.

115041287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 115041287 is about 10725.7301383169. The cubic root of 115041287 is about 486.3526021969.

Adding to 115041287 its reverse (782140511), we get a palindrome (897181798).

The spelling of 115041287 in words is "one hundred fifteen million, forty-one thousand, two hundred eighty-seven".