Search a number
-
+
444053424 = 243311072789
BaseRepresentation
bin11010011101111…
…011011110110000
31010221120020210010
4122131323132300
51402134202144
6112021334520
714001251253
oct3235733660
91127506703
10444053424
11208724a01
12104867440
1370cc7109
1442d9109a
1528eb65b9
hex1a77b7b0

444053424 has 80 divisors (see below), whose sum is σ = 1195637760. Its totient is φ = 141853440.

The previous prime is 444053419. The next prime is 444053473. The reversal of 444053424 is 424350444.

It is a super-2 number, since 2×4440534242 = 394366886732247552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 444053391 and 444053400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157822 + ... + 160610.

It is an arithmetic number, because the mean of its divisors is an integer number (14945472).

Almost surely, 2444053424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444053424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597818880).

444053424 is an abundant number, since it is smaller than the sum of its proper divisors (751584336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444053424 is a wasteful number, since it uses less digits than its factorization.

444053424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938 (or 2932 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

The square root of 444053424 is about 21072.5751629933. The cubic root of 444053424 is about 762.9189593671.

The spelling of 444053424 in words is "four hundred forty-four million, fifty-three thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 31 48 62 93 107 124 186 214 248 321 372 428 496 642 744 856 1284 1488 1712 2568 2789 3317 5136 5578 6634 8367 9951 11156 13268 16734 19902 22312 26536 33468 39804 44624 53072 66936 79608 86459 133872 159216 172918 259377 298423 345836 518754 596846 691672 895269 1037508 1193692 1383344 1790538 2075016 2387384 3581076 4150032 4774768 7162152 9251113 14324304 18502226 27753339 37004452 55506678 74008904 111013356 148017808 222026712 444053424