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104030305 = 520806061
BaseRepresentation
bin1100011001101…
…10000001100001
321020202021202021
412030312001201
5203112432210
614153421441
72402146231
oct614660141
9236667667
10104030305
11537a4565
122aa0a881
13187250c2
14db5dcc1
1591edbda
hex6336061

104030305 has 4 divisors (see below), whose sum is σ = 124836372. Its totient is φ = 83224240.

The previous prime is 104030299. The next prime is 104030323. The reversal of 104030305 is 503030401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56130064 + 47900241 = 7492^2 + 6921^2 .

It is not a de Polignac number, because 104030305 - 211 = 104028257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10403026 + ... + 10403035.

It is an arithmetic number, because the mean of its divisors is an integer number (31209093).

Almost surely, 2104030305 is an apocalyptic number.

It is an amenable number.

104030305 is a deficient number, since it is larger than the sum of its proper divisors (20806067).

104030305 is an equidigital number, since it uses as much as digits as its factorization.

104030305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20806066.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 104030305 is about 10199.5247438300. The cubic root of 104030305 is about 470.3126107990.

Adding to 104030305 its reverse (503030401), we get a palindrome (607060706).

The spelling of 104030305 in words is "one hundred four million, thirty thousand, three hundred five".

Divisors: 1 5 20806061 104030305