Search a number
-
+
44313145 = 561145289
BaseRepresentation
bin1010100100001…
…0101000111001
310002101100012121
42221002220321
542321010040
64221441241
71045440562
oct251025071
9102340177
1044313145
1123017138
1212a10221
139246ac6
145c57169
153d54c4a
hex2a42a39

44313145 has 8 divisors (see below), whose sum is σ = 54047880. Its totient is φ = 34869120.

The previous prime is 44313089. The next prime is 44313173. The reversal of 44313145 is 54131344.

It can be written as a sum of positive squares in 4 ways, for example, as 3519376 + 40793769 = 1876^2 + 6387^2 .

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

It is not a de Polignac number, because 44313145 - 29 = 44312633 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 72340 + ... + 72949.

It is an arithmetic number, because the mean of its divisors is an integer number (6755985).

Almost surely, 244313145 is an apocalyptic number.

It is an amenable number.

44313145 is a deficient number, since it is larger than the sum of its proper divisors (9734735).

44313145 is a wasteful number, since it uses less digits than its factorization.

44313145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145355.

The product of its digits is 2880, while the sum is 25.

The square root of 44313145 is about 6656.8119246378. The cubic root of 44313145 is about 353.8703628013.

Adding to 44313145 its reverse (54131344), we get a palindrome (98444489).

The spelling of 44313145 in words is "forty-four million, three hundred thirteen thousand, one hundred forty-five".

Divisors: 1 5 61 305 145289 726445 8862629 44313145