Search a number
-
+
444053331 = 32311591589
BaseRepresentation
bin11010011101111…
…011011101010011
31010221120020122200
4122131323131103
51402134201311
6112021334243
714001251061
oct3235733523
91127506580
10444053331
11208724927
12104867383
1370cc7067
1442d91031
1528eb6556
hex1a77b753

444053331 has 12 divisors (see below), whose sum is σ = 662101440. Its totient is φ = 286485840.

The previous prime is 444053299. The next prime is 444053333. The reversal of 444053331 is 133350444.

It is not a de Polignac number, because 444053331 - 25 = 444053299 is a prime.

It is a super-2 number, since 2×4440533312 = 394366721544391122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 444053295 and 444053304.

It is not an unprimeable number, because it can be changed into a prime (444053333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 795516 + ... + 796073.

It is an arithmetic number, because the mean of its divisors is an integer number (55175120).

Almost surely, 2444053331 is an apocalyptic number.

444053331 is a deficient number, since it is larger than the sum of its proper divisors (218048109).

444053331 is a wasteful number, since it uses less digits than its factorization.

444053331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591626 (or 1591623 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 444053331 is about 21072.5729563335. The cubic root of 444053331 is about 762.9189061066.

The spelling of 444053331 in words is "four hundred forty-four million, fifty-three thousand, three hundred thirty-one".

Divisors: 1 3 9 31 93 279 1591589 4774767 14324301 49339259 148017777 444053331