Search a number
-
+
104245511 = 409254879
BaseRepresentation
bin1100011011010…
…10100100000111
321021011012221212
412031222210013
5203141324021
614202202035
72404033526
oct615524407
9237135855
10104245511
1153931217
122aab331b
131879c046
14dbb84bd
15924285b
hex636a907

104245511 has 4 divisors (see below), whose sum is σ = 104500800. Its totient is φ = 103990224.

The previous prime is 104245487. The next prime is 104245549. The reversal of 104245511 is 115542401.

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

It is a cyclic number.

It is not a de Polignac number, because 104245511 - 26 = 104245447 is a prime.

It is a super-2 number, since 2×1042455112 = 21734253127302242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104248511) 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, 127031 + ... + 127848.

It is an arithmetic number, because the mean of its divisors is an integer number (26125200).

Almost surely, 2104245511 is an apocalyptic number.

104245511 is a deficient number, since it is larger than the sum of its proper divisors (255289).

104245511 is an equidigital number, since it uses as much as digits as its factorization.

104245511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255288.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 104245511 is about 10210.0690986888. The cubic root of 104245511 is about 470.6366970750.

Adding to 104245511 its reverse (115542401), we get a palindrome (219787912).

The spelling of 104245511 in words is "one hundred four million, two hundred forty-five thousand, five hundred eleven".

Divisors: 1 409 254879 104245511