Search a number
-
+
444252943 = 2953289039
BaseRepresentation
bin11010011110101…
…100001100001111
31010221221101110201
4122132230030033
51402212043233
6112025514331
714003042041
oct3236541417
91127841421
10444252943
112088508a2
121049429a7
1371066b84
1443003a91
152900577d
hex1a7ac30f

444252943 has 8 divisors (see below), whose sum is σ = 468244800. Its totient is φ = 420839328.

The previous prime is 444252929. The next prime is 444252953. The reversal of 444252943 is 349252444.

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 444252943 - 217 = 444121871 is a prime.

It is a super-2 number, since 2×4442529432 = 394721354728322498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444252953) 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, 142983 + ... + 146056.

It is an arithmetic number, because the mean of its divisors is an integer number (58530600).

Almost surely, 2444252943 is an apocalyptic number.

444252943 is a deficient number, since it is larger than the sum of its proper divisors (23991857).

444252943 is a wasteful number, since it uses less digits than its factorization.

444252943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289121.

The product of its digits is 138240, while the sum is 37.

The square root of 444252943 is about 21077.3087228896. The cubic root of 444252943 is about 763.0332054072.

The spelling of 444252943 in words is "four hundred forty-four million, two hundred fifty-two thousand, nine hundred forty-three".

Divisors: 1 29 53 1537 289039 8382131 15319067 444252943