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104605 = 520921
BaseRepresentation
bin11001100010011101
312022111021
4121202131
511321410
62124141
7613654
oct314235
9168437
10104605
1171656
1250651
13387c7
142a19b
1520eda
hex1989d

104605 has 4 divisors (see below), whose sum is σ = 125532. Its totient is φ = 83680.

The previous prime is 104597. The next prime is 104623. The reversal of 104605 is 506401.

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 56644 + 47961 = 238^2 + 219^2 .

It is not a de Polignac number, because 104605 - 23 = 104597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10456 + ... + 10465.

It is an arithmetic number, because the mean of its divisors is an integer number (31383).

2104605 is an apocalyptic number.

It is an amenable number.

104605 is a deficient number, since it is larger than the sum of its proper divisors (20927).

104605 is an equidigital number, since it uses as much as digits as its factorization.

104605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20926.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 104605 is about 323.4269623887. The cubic root of 104605 is about 47.1177070802.

The spelling of 104605 in words is "one hundred four thousand, six hundred five".

Divisors: 1 5 20921 104605