Search a number
-
+
109445073 = 3191920089
BaseRepresentation
bin1101000010111…
…11111111010001
321121221101102020
412201133333101
5211004220243
614505442053
72466160563
oct641377721
9247841366
10109445073
1156862781
12307a0329
131989c8ca
141076d333
15991d283
hex685ffd1

109445073 has 8 divisors (see below), whose sum is σ = 153607200. Its totient is φ = 69123168.

The previous prime is 109445069. The next prime is 109445081. The reversal of 109445073 is 370544901.

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

It is not a de Polignac number, because 109445073 - 22 = 109445069 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109443073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 959988 + ... + 960101.

It is an arithmetic number, because the mean of its divisors is an integer number (19200900).

Almost surely, 2109445073 is an apocalyptic number.

It is an amenable number.

109445073 is a deficient number, since it is larger than the sum of its proper divisors (44162127).

109445073 is a wasteful number, since it uses less digits than its factorization.

109445073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920111.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 109445073 is about 10461.5999254416. The cubic root of 109445073 is about 478.3349032824.

Adding to 109445073 its reverse (370544901), we get a palindrome (479989974).

The spelling of 109445073 in words is "one hundred nine million, four hundred forty-five thousand, seventy-three".

Divisors: 1 3 19 57 1920089 5760267 36481691 109445073