Search a number
-
+
105022901 is a prime number
BaseRepresentation
bin1100100001010…
…00010110110101
321022121201100002
412100220112311
5203341213101
614231001045
72413452134
oct620502665
9238551302
10105022901
1154312295
122b209185
13189b1b39
14dd3b91b
159347d6b
hex64285b5

105022901 has 2 divisors, whose sum is σ = 105022902. Its totient is φ = 105022900.

The previous prime is 105022877. The next prime is 105022913. The reversal of 105022901 is 109220501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69322276 + 35700625 = 8326^2 + 5975^2 .

It is a cyclic number.

It is not a de Polignac number, because 105022901 - 210 = 105021877 is a prime.

It is a super-2 number, since 2×1050229012 = 22059619468911602, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105024901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52511450 + 52511451.

It is an arithmetic number, because the mean of its divisors is an integer number (52511451).

Almost surely, 2105022901 is an apocalyptic number.

It is an amenable number.

105022901 is a deficient number, since it is larger than the sum of its proper divisors (1).

105022901 is an equidigital number, since it uses as much as digits as its factorization.

105022901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 105022901 is about 10248.0681594142. The cubic root of 105022901 is about 471.8036939225.

The spelling of 105022901 in words is "one hundred five million, twenty-two thousand, nine hundred one".