Search a number
-
+
105423104 = 28411809
BaseRepresentation
bin1100100100010…
…10000100000000
321100101001022102
412102022010000
5203442014404
614243325532
72420036663
oct622120400
9240331272
10105423104
1154565a36
122b3808a8
1318ac2047
14100036da
1593c671e
hex648a100

105423104 has 18 divisors (see below), whose sum is σ = 210434910. Its totient is φ = 52711424.

The previous prime is 105423079. The next prime is 105423107. The reversal of 105423104 is 401324501.

It can be written as a sum of positive squares in only one way, i.e., 104857600 + 565504 = 10240^2 + 752^2 .

It is a super-2 number, since 2×1054231042 = 22228061713989632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105423107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205649 + ... + 206160.

Almost surely, 2105423104 is an apocalyptic number.

It is an amenable number.

105423104 is a deficient number, since it is larger than the sum of its proper divisors (105011806).

105423104 is an frugal number, since it uses more digits than its factorization.

105423104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411825 (or 411811 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 105423104 is about 10267.5753710406. The cubic root of 105423104 is about 472.4022234529.

Adding to 105423104 its reverse (401324501), we get a palindrome (506747605).

The spelling of 105423104 in words is "one hundred five million, four hundred twenty-three thousand, one hundred four".

Divisors: 1 2 4 8 16 32 64 128 256 411809 823618 1647236 3294472 6588944 13177888 26355776 52711552 105423104