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115089433 = 971186489
BaseRepresentation
bin1101101110000…
…10000000011001
322000120011000121
412313002000121
5213430330213
615230433241
72565146464
oct667020031
9260504017
10115089433
1159a68438
1232662821
131aac7a74
14113dc2db
15a18588d
hex6dc2019

115089433 has 4 divisors (see below), whose sum is σ = 116276020. Its totient is φ = 113902848.

The previous prime is 115089431. The next prime is 115089437. The reversal of 115089433 is 334980511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20358144 + 94731289 = 4512^2 + 9733^2 .

It is a cyclic number.

It is not a de Polignac number, because 115089433 - 21 = 115089431 is a prime.

It is a super-2 number, since 2×1150894332 = 26491155176522978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115089431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593148 + ... + 593341.

It is an arithmetic number, because the mean of its divisors is an integer number (29069005).

Almost surely, 2115089433 is an apocalyptic number.

It is an amenable number.

115089433 is a deficient number, since it is larger than the sum of its proper divisors (1186587).

115089433 is an equidigital number, since it uses as much as digits as its factorization.

115089433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186586.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 115089433 is about 10727.9743195069. The cubic root of 115089433 is about 486.4204406433.

The spelling of 115089433 in words is "one hundred fifteen million, eighty-nine thousand, four hundred thirty-three".

Divisors: 1 97 1186489 115089433