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115026889 is a prime number
BaseRepresentation
bin1101101101100…
…10101111001001
322000102222020011
412312302233021
5213421330024
615225231521
72564466235
oct666625711
9260388204
10115026889
1159a2544a
12326325a1
131aaa5463
14113c35c5
15a172094
hex6db2bc9

115026889 has 2 divisors, whose sum is σ = 115026890. Its totient is φ = 115026888.

The previous prime is 115026871. The next prime is 115026917. The reversal of 115026889 is 988620511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113316025 + 1710864 = 10645^2 + 1308^2 .

It is a cyclic number.

It is not a de Polignac number, because 115026889 - 219 = 114502601 is a prime.

It is not a weakly prime, because it can be changed into another prime (115026829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57513444 + 57513445.

It is an arithmetic number, because the mean of its divisors is an integer number (57513445).

Almost surely, 2115026889 is an apocalyptic number.

It is an amenable number.

115026889 is a deficient number, since it is larger than the sum of its proper divisors (1).

115026889 is an equidigital number, since it uses as much as digits as its factorization.

115026889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 115026889 is about 10725.0589275770. The cubic root of 115026889 is about 486.3323115195.

The spelling of 115026889 in words is "one hundred fifteen million, twenty-six thousand, eight hundred eighty-nine".