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115441379 = 1129102251
BaseRepresentation
bin1101110000101…
…11111011100011
322001020000210122
412320113323203
5214023111004
615242150455
72601143534
oct670277343
9261200718
10115441379
115a1888a9
12327b242b
131abbc011
141149068b
15a204cbe
hex6e17ee3

115441379 has 4 divisors (see below), whose sum is σ = 115544760. Its totient is φ = 115338000.

The previous prime is 115441331. The next prime is 115441421. The reversal of 115441379 is 973144511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 973144511 = 3726301203.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-115441379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115441309) 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, 49997 + ... + 52254.

It is an arithmetic number, because the mean of its divisors is an integer number (28886190).

Almost surely, 2115441379 is an apocalyptic number.

115441379 is a deficient number, since it is larger than the sum of its proper divisors (103381).

115441379 is a wasteful number, since it uses less digits than its factorization.

115441379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103380.

The product of its digits is 15120, while the sum is 35.

The square root of 115441379 is about 10744.3649882159. The cubic root of 115441379 is about 486.9157641932.

The spelling of 115441379 in words is "one hundred fifteen million, four hundred forty-one thousand, three hundred seventy-nine".

Divisors: 1 1129 102251 115441379