Search a number
-
+
444023012 = 22257431929
BaseRepresentation
bin11010011101110…
…100000011100100
31010221111201001202
4122131310003210
51402132214022
6112020542032
714001063506
oct3235640344
91127451052
10444023012
11208704074
12104851918
1370cb6314
1442d83d76
1528eac592
hex1a7740e4

444023012 has 12 divisors (see below), whose sum is σ = 780065580. Its totient is φ = 221147136.

The previous prime is 444022987. The next prime is 444023023. The reversal of 444023012 is 210320444.

It can be written as a sum of positive squares in 2 ways, for example, as 290907136 + 153115876 = 17056^2 + 12374^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214937 + ... + 216992.

It is an arithmetic number, because the mean of its divisors is an integer number (65005465).

Almost surely, 2444023012 is an apocalyptic number.

It is an amenable number.

444023012 is a deficient number, since it is larger than the sum of its proper divisors (336042568).

444023012 is a wasteful number, since it uses less digits than its factorization.

444023012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432190 (or 432188 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 444023012 is about 21071.8535492253. The cubic root of 444023012 is about 762.9015422277.

Adding to 444023012 its reverse (210320444), we get a palindrome (654343456).

The spelling of 444023012 in words is "four hundred forty-four million, twenty-three thousand, twelve".

Divisors: 1 2 4 257 514 1028 431929 863858 1727716 111005753 222011506 444023012