Search a number
-
+
44387713 = 175325321
BaseRepresentation
bin1010100101010…
…0110110000001
310002112010111101
42221110312001
542330401323
64223214401
71046201146
oct251246601
9102463441
1044387713
1123068167
1212a47401
139271a26
145c763cd
153d6bdad
hex2a54d81

44387713 has 4 divisors (see below), whose sum is σ = 44414788. Its totient is φ = 44360640.

The previous prime is 44387711. The next prime is 44387737. The reversal of 44387713 is 31778344.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15904144 + 28483569 = 3988^2 + 5337^2 .

It is a cyclic number.

It is not a de Polignac number, because 44387713 - 21 = 44387711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44387711) 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, 10908 + ... + 14413.

It is an arithmetic number, because the mean of its divisors is an integer number (11103697).

Almost surely, 244387713 is an apocalyptic number.

It is an amenable number.

44387713 is a deficient number, since it is larger than the sum of its proper divisors (27075).

44387713 is a wasteful number, since it uses less digits than its factorization.

44387713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27074.

The product of its digits is 56448, while the sum is 37.

The square root of 44387713 is about 6662.4104496796. The cubic root of 44387713 is about 354.0687434991.

The spelling of 44387713 in words is "forty-four million, three hundred eighty-seven thousand, seven hundred thirteen".

Divisors: 1 1753 25321 44387713