Search a number
-
+
105280103 = 1792272591
BaseRepresentation
bin1100100011001…
…11001001100111
321100002210011002
412101213021213
5203422430403
614240303515
72415603035
oct621471147
9240083132
10105280103
1154478555
122b311b9b
1318a71c26
14dda7555
159399188
hex6467267

105280103 has 8 divisors (see below), whose sum is σ = 106375680. Its totient is φ = 104190520.

The previous prime is 105280093. The next prime is 105280117. The reversal of 105280103 is 301082501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105280103 - 222 = 101085799 is a prime.

It is a super-2 number, since 2×1052801032 = 22167800175381218, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105280163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39338 + ... + 41928.

It is an arithmetic number, because the mean of its divisors is an integer number (13296960).

Almost surely, 2105280103 is an apocalyptic number.

105280103 is a deficient number, since it is larger than the sum of its proper divisors (1095577).

105280103 is a wasteful number, since it uses less digits than its factorization.

105280103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997.

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

The square root of 105280103 is about 10260.6092899009. The cubic root of 105280103 is about 472.1885303903.

The spelling of 105280103 in words is "one hundred five million, two hundred eighty thousand, one hundred three".

Divisors: 1 179 227 2591 40633 463789 588157 105280103