Search a number
-
+
104400617 = 187755621
BaseRepresentation
bin1100011100100…
…00011011101001
321021110002201112
412032100123221
5203211304432
614205400105
72405250656
oct616203351
9237402645
10104400617
1153a27802
122ab69035
1318824819
14dc18c2d
1592737b2
hex63906e9

104400617 has 4 divisors (see below), whose sum is σ = 104458116. Its totient is φ = 104343120.

The previous prime is 104400613. The next prime is 104400629. The reversal of 104400617 is 716004401.

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 31315216 + 73085401 = 5596^2 + 8549^2 .

It is a cyclic number.

It is not a de Polignac number, because 104400617 - 22 = 104400613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104400592 and 104400601.

It is not an unprimeable number, because it can be changed into a prime (104400613) 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, 25934 + ... + 29687.

It is an arithmetic number, because the mean of its divisors is an integer number (26114529).

Almost surely, 2104400617 is an apocalyptic number.

It is an amenable number.

104400617 is a deficient number, since it is larger than the sum of its proper divisors (57499).

104400617 is an equidigital number, since it uses as much as digits as its factorization.

104400617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57498.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 104400617 is about 10217.6620124175. The cubic root of 104400617 is about 470.8700001691.

The spelling of 104400617 in words is "one hundred four million, four hundred thousand, six hundred seventeen".

Divisors: 1 1877 55621 104400617