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104147243 = 234528141
BaseRepresentation
bin1100011010100…
…10100100101011
321020222020011022
412031102210223
5203130202433
614200123055
72403144164
oct615224453
9236866138
10104147243
1153874402
122aa6648b
13187663b5
14db9076b
159223698
hex635292b

104147243 has 4 divisors (see below), whose sum is σ = 108675408. Its totient is φ = 99619080.

The previous prime is 104147237. The next prime is 104147293. The reversal of 104147243 is 342741401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342741401 = 2911818669.

It is a cyclic number.

It is not a de Polignac number, because 104147243 - 224 = 87370027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104147203) 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 3 ways as a sum of consecutive naturals, for example, 2264048 + ... + 2264093.

It is an arithmetic number, because the mean of its divisors is an integer number (27168852).

Almost surely, 2104147243 is an apocalyptic number.

104147243 is a deficient number, since it is larger than the sum of its proper divisors (4528165).

104147243 is an equidigital number, since it uses as much as digits as its factorization.

104147243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4528164.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 104147243 is about 10205.2556557883. The cubic root of 104147243 is about 470.4887672303.

Adding to 104147243 its reverse (342741401), we get a palindrome (446888644).

It can be divided in two parts, 1041 and 47243, that added together give a palindrome (48284).

The spelling of 104147243 in words is "one hundred four million, one hundred forty-seven thousand, two hundred forty-three".

Divisors: 1 23 4528141 104147243