Search a number
-
+
44040493 = 789223317
BaseRepresentation
bin1010100000000…
…0000100101101
310001212111012101
42220000010231
542233243433
64211535101
71043223640
oct250000455
9101774171
1044040493
1122950302
12128ba491
13917c983
145bc5a57
153cee07d
hex2a0012d

44040493 has 16 divisors (see below), whose sum is σ = 51287040. Its totient is φ = 37040256.

The previous prime is 44040487. The next prime is 44040511. The reversal of 44040493 is 39404044.

It is a cyclic number.

It is not a de Polignac number, because 44040493 - 29 = 44039981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44040413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138771 + ... + 139087.

It is an arithmetic number, because the mean of its divisors is an integer number (3205440).

Almost surely, 244040493 is an apocalyptic number.

It is an amenable number.

44040493 is a deficient number, since it is larger than the sum of its proper divisors (7246547).

44040493 is a wasteful number, since it uses less digits than its factorization.

44040493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 44040493 is about 6636.3011535041. The cubic root of 44040493 is about 353.1430991115.

The spelling of 44040493 in words is "forty-four million, forty thousand, four hundred ninety-three".

Divisors: 1 7 89 223 317 623 1561 2219 19847 28213 70691 138929 197491 494837 6291499 44040493