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115426643 = 378833533
BaseRepresentation
bin1101110000101…
…00010101010011
322001012021120212
412320110111103
5214022123033
615241554335
72601052553
oct670242523
9261167525
10115426643
115a178822
12327a59ab
131abb53b7
1411489163
15a200748
hex6e14553

115426643 has 8 divisors (see below), whose sum is σ = 118714128. Its totient is φ = 112148064.

The previous prime is 115426639. The next prime is 115426697. The reversal of 115426643 is 346624511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115426643 - 22 = 115426639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115426613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30905 + ... + 34437.

It is an arithmetic number, because the mean of its divisors is an integer number (14839266).

Almost surely, 2115426643 is an apocalyptic number.

115426643 is a deficient number, since it is larger than the sum of its proper divisors (3287485).

115426643 is an equidigital number, since it uses as much as digits as its factorization.

115426643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4453.

The product of its digits is 17280, while the sum is 32.

The square root of 115426643 is about 10743.6792115178. The cubic root of 115426643 is about 486.8950451752.

The spelling of 115426643 in words is "one hundred fifteen million, four hundred twenty-six thousand, six hundred forty-three".

Divisors: 1 37 883 3533 32671 130721 3119639 115426643