Search a number
-
+
103143441 = 334381147
BaseRepresentation
bin1100010010111…
…01100000010001
321012002020012110
412021131200101
5202401042231
614122415533
72361463512
oct611354021
9235066173
10103143441
1153249215
122a6615a9
13184a452b
14d9aca09
1590c6046
hex625d811

103143441 has 4 divisors (see below), whose sum is σ = 137524592. Its totient is φ = 68762292.

The previous prime is 103143407. The next prime is 103143451. The reversal of 103143441 is 144341301.

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.

It is not a de Polignac number, because 103143441 - 26 = 103143377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103143451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17190571 + ... + 17190576.

It is an arithmetic number, because the mean of its divisors is an integer number (34381148).

Almost surely, 2103143441 is an apocalyptic number.

It is an amenable number.

103143441 is a deficient number, since it is larger than the sum of its proper divisors (34381151).

103143441 is an equidigital number, since it uses as much as digits as its factorization.

103143441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34381150.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 103143441 is about 10155.9559372813. The cubic root of 103143441 is about 468.9723146703.

Adding to 103143441 its reverse (144341301), we get a palindrome (247484742).

The spelling of 103143441 in words is "one hundred three million, one hundred forty-three thousand, four hundred forty-one".

Divisors: 1 3 34381147 103143441