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105302801 = 412568361
BaseRepresentation
bin1100100011011…
…00101100010001
321100010221021202
412101230230101
5203424142201
614241000545
72416026152
oct621545421
9240127252
10105302801
115449360a
122b323155
1318a7c366
14ddb1929
1593a0c6b
hex646cb11

105302801 has 4 divisors (see below), whose sum is σ = 107871204. Its totient is φ = 102734400.

The previous prime is 105302797. The next prime is 105302837. The reversal of 105302801 is 108203501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 108203501 = 715457643.

It can be written as a sum of positive squares in 2 ways, for example, as 54037201 + 51265600 = 7351^2 + 7160^2 .

It is a cyclic number.

It is not a de Polignac number, because 105302801 - 22 = 105302797 is a prime.

It is a super-2 number, since 2×1053028012 = 22177359796891202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105302501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1284140 + ... + 1284221.

It is an arithmetic number, because the mean of its divisors is an integer number (26967801).

Almost surely, 2105302801 is an apocalyptic number.

It is an amenable number.

105302801 is a deficient number, since it is larger than the sum of its proper divisors (2568403).

105302801 is an equidigital number, since it uses as much as digits as its factorization.

105302801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568402.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 105302801 is about 10261.7153049575. The cubic root of 105302801 is about 472.2224619842. Note that the first 3 decimals are identical.

It can be divided in two parts, 10530 and 2801, that added together give a palindrome (13331).

The spelling of 105302801 in words is "one hundred five million, three hundred two thousand, eight hundred one".

Divisors: 1 41 2568361 105302801