Search a number
-
+
44620745 = 513686473
BaseRepresentation
bin1010101000110…
…1101111001001
310002221222011012
42222031233021
542410330440
64232213305
71051161431
oct252155711
9102858135
1044620745
1123207254
1212b3a235
139323b10
145cd72c1
153db5e65
hex2a8dbc9

44620745 has 8 divisors (see below), whose sum is σ = 57663816. Its totient is φ = 32950656.

The previous prime is 44620729. The next prime is 44620747. The reversal of 44620745 is 54702644.

It can be written as a sum of positive squares in 4 ways, for example, as 38416 + 44582329 = 196^2 + 6677^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 44620745 - 24 = 44620729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44620747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343172 + ... + 343301.

It is an arithmetic number, because the mean of its divisors is an integer number (7207977).

Almost surely, 244620745 is an apocalyptic number.

It is an amenable number.

44620745 is a deficient number, since it is larger than the sum of its proper divisors (13043071).

44620745 is a wasteful number, since it uses less digits than its factorization.

44620745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686491.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 44620745 is about 6679.8761216058. The cubic root of 44620745 is about 354.6872733605.

The spelling of 44620745 in words is "forty-four million, six hundred twenty thousand, seven hundred forty-five".

Divisors: 1 5 13 65 686473 3432365 8924149 44620745