Search a number
-
+
44238013 = 435771783
BaseRepresentation
bin1010100011000…
…0010010111101
310002020112010221
42220300102331
542311104023
64220101341
71045005541
oct250602275
9102215127
1044238013
1122a75746
1212994851
13921b851
145c37a21
153d3c85d
hex2a304bd

44238013 has 8 divisors (see below), whose sum is σ = 45370688. Its totient is φ = 43110144.

The previous prime is 44237983. The next prime is 44238059. The reversal of 44238013 is 31083244.

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 44238013 - 25 = 44237981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44238113) 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, 23920 + ... + 25702.

It is an arithmetic number, because the mean of its divisors is an integer number (5671336).

Almost surely, 244238013 is an apocalyptic number.

44238013 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

44238013 is a deficient number, since it is larger than the sum of its proper divisors (1132675).

44238013 is a wasteful number, since it uses less digits than its factorization.

44238013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 44238013 is about 6651.1662887046. The cubic root of 44238013 is about 353.6702564283.

The spelling of 44238013 in words is "forty-four million, two hundred thirty-eight thousand, thirteen".

Divisors: 1 43 577 1783 24811 76669 1028791 44238013