Search a number
-
+
103411321 = 1353150089
BaseRepresentation
bin1100010100111…
…10111001111001
321012120211122221
412022132321321
5202433130241
614132244041
72363660506
oct612367171
9235524587
10103411321
1153411502
122a770621
1318569440
14da3c4ad
15912a5d1
hex629ee79

103411321 has 8 divisors (see below), whose sum is σ = 113468040. Its totient is φ = 93654912.

The previous prime is 103411309. The next prime is 103411333. The reversal of 103411321 is 123114301.

It is an interprime number because it is at equal distance from previous prime (103411309) and next prime (103411333).

It can be written as a sum of positive squares in 4 ways, for example, as 287296 + 103124025 = 536^2 + 10155^2 .

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

It is not a de Polignac number, because 103411321 - 27 = 103411193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103411295 and 103411304.

It is not an unprimeable number, because it can be changed into a prime (103411621) 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, 74356 + ... + 75733.

It is an arithmetic number, because the mean of its divisors is an integer number (14183505).

Almost surely, 2103411321 is an apocalyptic number.

It is an amenable number.

103411321 is a deficient number, since it is larger than the sum of its proper divisors (10056719).

103411321 is a wasteful number, since it uses less digits than its factorization.

103411321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150155.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 103411321 is about 10169.1357056537. The cubic root of 103411321 is about 469.3779623785.

Adding to 103411321 its reverse (123114301), we get a palindrome (226525622).

The spelling of 103411321 in words is "one hundred three million, four hundred eleven thousand, three hundred twenty-one".

Divisors: 1 13 53 689 150089 1951157 7954717 103411321