Search a number
-
+
103511141 = 347298303
BaseRepresentation
bin1100010101101…
…11010001100101
321012202220120222
412022313101211
5202444324031
614134334125
72364554516
oct612672145
9235686528
10103511141
115347a4a8
122a7ba345
13185a29c6
14da66a0d
159149e7b
hex62b7465

103511141 has 4 divisors (see below), whose sum is σ = 103809792. Its totient is φ = 103212492.

The previous prime is 103511137. The next prime is 103511143. The reversal of 103511141 is 141115301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141115301 = 710319867.

It is a cyclic number.

It is not a de Polignac number, because 103511141 - 22 = 103511137 is a prime.

It is a super-2 number, since 2×1035111412 = 21429112622243762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103511143) 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, 148805 + ... + 149498.

It is an arithmetic number, because the mean of its divisors is an integer number (25952448).

Almost surely, 2103511141 is an apocalyptic number.

It is an amenable number.

103511141 is a deficient number, since it is larger than the sum of its proper divisors (298651).

103511141 is an equidigital number, since it uses as much as digits as its factorization.

103511141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298650.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 103511141 is about 10174.0425102316. The cubic root of 103511141 is about 469.5289395328.

Adding to 103511141 its reverse (141115301), we get a palindrome (244626442).

The spelling of 103511141 in words is "one hundred three million, five hundred eleven thousand, one hundred forty-one".

Divisors: 1 347 298303 103511141