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115342643 = 1361145451
BaseRepresentation
bin1101101111111…
…11110100110011
322001001000100202
412313333310303
5214011431033
615240105415
72600252633
oct667776463
9261030322
10115342643
115a1206a9
123276526b
131ab860b0
14114666c3
15a1d58e8
hex6dffd33

115342643 has 8 divisors (see below), whose sum is σ = 126252336. Its totient is φ = 104724000.

The previous prime is 115342639. The next prime is 115342649. The reversal of 115342643 is 346243511.

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

It is a cyclic number.

It is not a de Polignac number, because 115342643 - 22 = 115342639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115342649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71933 + ... + 73518.

It is an arithmetic number, because the mean of its divisors is an integer number (15781542).

Almost surely, 2115342643 is an apocalyptic number.

115342643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

115342643 is a deficient number, since it is larger than the sum of its proper divisors (10909693).

115342643 is a wasteful number, since it uses less digits than its factorization.

115342643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145525.

The product of its digits is 8640, while the sum is 29.

The square root of 115342643 is about 10739.7692247087. The cubic root of 115342643 is about 486.7769063354.

The spelling of 115342643 in words is "one hundred fifteen million, three hundred forty-two thousand, six hundred forty-three".

Divisors: 1 13 61 793 145451 1890863 8872511 115342643