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104004205 = 520800841
BaseRepresentation
bin1100011001011…
…11101001101101
321020200221221121
412030233221231
5203111113310
614153100541
72402010154
oct614575155
9236627847
10104004205
1153786998
122a9b7751
1318716266
14db5459b
1591e60da
hex632fa6d

104004205 has 4 divisors (see below), whose sum is σ = 124805052. Its totient is φ = 83203360.

The previous prime is 104004097. The next prime is 104004209. The reversal of 104004205 is 502400401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 502400401 = 4871031623.

It can be written as a sum of positive squares in 2 ways, for example, as 19474569 + 84529636 = 4413^2 + 9194^2 .

It is not a de Polignac number, because 104004205 - 29 = 104003693 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 (104004209) 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, 10400416 + ... + 10400425.

It is an arithmetic number, because the mean of its divisors is an integer number (31201263).

Almost surely, 2104004205 is an apocalyptic number.

It is an amenable number.

104004205 is a deficient number, since it is larger than the sum of its proper divisors (20800847).

104004205 is an equidigital number, since it uses as much as digits as its factorization.

104004205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20800846.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 104004205 is about 10198.2451921887. The cubic root of 104004205 is about 470.2732755115.

Adding to 104004205 its reverse (502400401), we get a palindrome (606404606).

The spelling of 104004205 in words is "one hundred four million, four thousand, two hundred five".

Divisors: 1 5 20800841 104004205