Search a number
-
+
444340353 = 31093733643
BaseRepresentation
bin11010011111000…
…001100010000001
31010222002211101010
4122133001202001
51402222342403
6112031431133
714003554632
oct3237014201
91128084333
10444340353
11208900536
121049854a9
13710978b2
1443027889
1529021603
hex1a7c1881

444340353 has 16 divisors (see below), whose sum is σ = 599656640. Its totient is φ = 292641984.

The previous prime is 444340343. The next prime is 444340357. The reversal of 444340353 is 353043444.

It is not a de Polignac number, because 444340353 - 218 = 444078209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 444340353.

It is not an unprimeable number, because it can be changed into a prime (444340357) 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, 120150 + ... + 123792.

It is an arithmetic number, because the mean of its divisors is an integer number (37478540).

Almost surely, 2444340353 is an apocalyptic number.

It is an amenable number.

444340353 is a deficient number, since it is larger than the sum of its proper divisors (155316287).

444340353 is a wasteful number, since it uses less digits than its factorization.

444340353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4128.

The product of its (nonzero) digits is 34560, while the sum is 30.

The square root of 444340353 is about 21079.3821778533. The cubic root of 444340353 is about 763.0832462377.

Adding to 444340353 its reverse (353043444), we get a palindrome (797383797).

The spelling of 444340353 in words is "four hundred forty-four million, three hundred forty thousand, three hundred fifty-three".

Divisors: 1 3 109 327 373 1119 3643 10929 40657 121971 397087 1191261 1358839 4076517 148113451 444340353