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104305741 = 816112781
BaseRepresentation
bin1100011011110…
…01010001001101
321021021021120121
412031321101031
5203200240431
614203344541
72404404241
oct615712115
9237237517
10104305741
11539724a1
122ab22151
13187c0597
14dbd2421
159255611
hex637944d

104305741 has 4 divisors (see below), whose sum is σ = 104326684. Its totient is φ = 104284800.

The previous prime is 104305717. The next prime is 104305753. The reversal of 104305741 is 147503401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 147503401 = 1367107903.

It can be written as a sum of positive squares in 2 ways, for example, as 58201641 + 46104100 = 7629^2 + 6790^2 .

It is a cyclic number.

It is not a de Polignac number, because 104305741 - 25 = 104305709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104305541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1771 + ... + 14551.

It is an arithmetic number, because the mean of its divisors is an integer number (26081671).

Almost surely, 2104305741 is an apocalyptic number.

It is an amenable number.

104305741 is a deficient number, since it is larger than the sum of its proper divisors (20943).

104305741 is an equidigital number, since it uses as much as digits as its factorization.

104305741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20942.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 104305741 is about 10213.0182120664. The cubic root of 104305741 is about 470.7273196528.

The spelling of 104305741 in words is "one hundred four million, three hundred five thousand, seven hundred forty-one".

Divisors: 1 8161 12781 104305741