Search a number
-
+
109434073 = 715633439
BaseRepresentation
bin1101000010111…
…01010011011001
321121220211022211
412201131103121
5211003342243
614505315121
72466113530
oct641352331
9247824284
10109434073
1156855491
1230795aa1
13198978b8
1410769317
159919d9d
hex685d4d9

109434073 has 4 divisors (see below), whose sum is σ = 125067520. Its totient is φ = 93800628.

The previous prime is 109434071. The next prime is 109434077. The reversal of 109434073 is 370434901.

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 a cyclic number.

It is not a de Polignac number, because 109434073 - 21 = 109434071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109434071) 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, 7816713 + ... + 7816726.

It is an arithmetic number, because the mean of its divisors is an integer number (31266880).

Almost surely, 2109434073 is an apocalyptic number.

It is an amenable number.

109434073 is a deficient number, since it is larger than the sum of its proper divisors (15633447).

109434073 is an equidigital number, since it uses as much as digits as its factorization.

109434073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15633446.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 109434073 is about 10461.0741800257. The cubic root of 109434073 is about 478.3188774042.

Adding to 109434073 its reverse (370434901), we get a palindrome (479868974).

The spelling of 109434073 in words is "one hundred nine million, four hundred thirty-four thousand, seventy-three".

Divisors: 1 7 15633439 109434073