Search a number
-
+
44049621 = 3711414651
BaseRepresentation
bin1010100000001…
…0010011010101
310001212221201110
42220002103111
542234041441
64212045233
71043262360
oct250022325
9101787643
1044049621
1122957150
1212903819
139183b85
145bc90d7
153d01b16
hex2a024d5

44049621 has 32 divisors (see below), whose sum is σ = 75027456. Its totient is φ = 22320000.

The previous prime is 44049613. The next prime is 44049631. The reversal of 44049621 is 12694044.

It is not a de Polignac number, because 44049621 - 23 = 44049613 is a prime.

It is a super-2 number, since 2×440496212 = 3880738220487282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44049611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7146 + ... + 11796.

It is an arithmetic number, because the mean of its divisors is an integer number (2344608).

Almost surely, 244049621 is an apocalyptic number.

44049621 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

44049621 is a deficient number, since it is larger than the sum of its proper divisors (30977835).

44049621 is a wasteful number, since it uses less digits than its factorization.

44049621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 44049621 is about 6636.9888503748. The cubic root of 44049621 is about 353.1674953531.

The spelling of 44049621 in words is "forty-four million, forty-nine thousand, six hundred twenty-one".

Divisors: 1 3 7 11 21 33 41 77 123 231 287 451 861 1353 3157 4651 9471 13953 32557 51161 97671 153483 190691 358127 572073 1074381 1334837 2097601 4004511 6292803 14683207 44049621