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104432345 = 520886469
BaseRepresentation
bin1100011100110…
…00001011011001
321021111201020122
412032120023121
5203213313340
614210203025
72405442323
oct616301331
9237451218
10104432345
1153a49626
122ab83475
13188360b4
14dc26613
15927cdb5
hex63982d9

104432345 has 4 divisors (see below), whose sum is σ = 125318820. Its totient is φ = 83545872.

The previous prime is 104432327. The next prime is 104432347. The reversal of 104432345 is 543234401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543234401 = 2323618887.

It can be written as a sum of positive squares in 2 ways, for example, as 13344409 + 91087936 = 3653^2 + 9544^2 .

It is a cyclic number.

It is not a de Polignac number, because 104432345 - 28 = 104432089 is a prime.

It is a super-2 number, since 2×1044323452 = 21812229364398050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (104432347) 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, 10443230 + ... + 10443239.

It is an arithmetic number, because the mean of its divisors is an integer number (31329705).

Almost surely, 2104432345 is an apocalyptic number.

It is an amenable number.

104432345 is a deficient number, since it is larger than the sum of its proper divisors (20886475).

104432345 is an equidigital number, since it uses as much as digits as its factorization.

104432345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20886474.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 104432345 is about 10219.2145001463. The cubic root of 104432345 is about 470.9176954498.

Adding to 104432345 its reverse (543234401), we get a palindrome (647666746).

The spelling of 104432345 in words is "one hundred four million, four hundred thirty-two thousand, three hundred forty-five".

Divisors: 1 5 20886469 104432345