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115089199 = 432676493
BaseRepresentation
bin1101101110000…
…01111100101111
322000120010200221
412313001330233
5213430323244
615230432211
72565146011
oct667017457
9260503627
10115089199
1159a68245
1232662667
131aac7924
14113dc1b1
15a185784
hex6dc1f2f

115089199 has 4 divisors (see below), whose sum is σ = 117765736. Its totient is φ = 112412664.

The previous prime is 115089157. The next prime is 115089209. The reversal of 115089199 is 991980511.

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

It is not a de Polignac number, because 115089199 - 217 = 114958127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 2676493 = 115089199 / (1 + 1 + 5 + 0 + 8 + 9 + 1 + 9 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115089599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1338204 + ... + 1338289.

It is an arithmetic number, because the mean of its divisors is an integer number (29441434).

Almost surely, 2115089199 is an apocalyptic number.

115089199 is a deficient number, since it is larger than the sum of its proper divisors (2676537).

115089199 is an equidigital number, since it uses as much as digits as its factorization.

115089199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676536.

The product of its (nonzero) digits is 29160, while the sum is 43.

The square root of 115089199 is about 10727.9634134350. The cubic root of 115089199 is about 486.4201109795.

The spelling of 115089199 in words is "one hundred fifteen million, eighty-nine thousand, one hundred ninety-nine".

Divisors: 1 43 2676493 115089199