Search a number
-
+
105620206 = 252810103
BaseRepresentation
bin1100100101110…
…10001011101110
321100202001200111
412102322023232
5204014321311
614251450234
72421520426
oct622721356
9240661614
10105620206
115469002a
122b45697a
1318b60983
1410055486
159414d21
hex64ba2ee

105620206 has 4 divisors (see below), whose sum is σ = 158430312. Its totient is φ = 52810102.

The previous prime is 105620189. The next prime is 105620213. The reversal of 105620206 is 602026501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 602026501 = 5910203839.

It is a super-2 number, since 2×1056202062 = 22311255830964872, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26405050 + ... + 26405053.

It is an arithmetic number, because the mean of its divisors is an integer number (39607578).

Almost surely, 2105620206 is an apocalyptic number.

105620206 is a deficient number, since it is larger than the sum of its proper divisors (52810106).

105620206 is an equidigital number, since it uses as much as digits as its factorization.

105620206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52810105.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 105620206 is about 10277.1691627607. The cubic root of 105620206 is about 472.6964456610.

Adding to 105620206 its reverse (602026501), we get a palindrome (707646707).

The spelling of 105620206 in words is "one hundred five million, six hundred twenty thousand, two hundred six".

Divisors: 1 2 52810103 105620206