Search a number
-
+
44169745 = 573121013
BaseRepresentation
bin1010100001111…
…1101000010001
310002010001111111
42220133220101
542301412440
64214413321
71044302524
oct250375021
9102101444
1044169745
1122a29424
1212961241
1391c6759
145c1abbb
153d274ea
hex2a1fa11

44169745 has 8 divisors (see below), whose sum is σ = 53730216. Its totient is φ = 34851456.

The previous prime is 44169733. The next prime is 44169767. The reversal of 44169745 is 54796144.

It can be written as a sum of positive squares in 4 ways, for example, as 13300609 + 30869136 = 3647^2 + 5556^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-44169745 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44169698 and 44169707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60142 + ... + 60871.

It is an arithmetic number, because the mean of its divisors is an integer number (6716277).

Almost surely, 244169745 is an apocalyptic number.

It is an amenable number.

44169745 is a deficient number, since it is larger than the sum of its proper divisors (9560471).

44169745 is a wasteful number, since it uses less digits than its factorization.

44169745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121091.

The product of its digits is 120960, while the sum is 40.

The square root of 44169745 is about 6646.0322749743. The cubic root of 44169745 is about 353.4882350556.

It can be divided in two parts, 4416 and 9745, that added together give a square (14161 = 1192).

The spelling of 44169745 in words is "forty-four million, one hundred sixty-nine thousand, seven hundred forty-five".

Divisors: 1 5 73 365 121013 605065 8833949 44169745