Search a number
-
+
444420862 = 21075993467
BaseRepresentation
bin11010011111010…
…101001011111110
31010222020220210221
4122133111023332
51402232431422
6112033251554
714004341434
oct3237251376
91128226727
10444420862
11208955a76
12104a03bba
13710c5432
1443048d54
152903a3c7
hex1a7d52fe

444420862 has 16 divisors (see below), whose sum is σ = 674179200. Its totient is φ = 219702808.

The previous prime is 444420859. The next prime is 444420871. The reversal of 444420862 is 268024444.

It is a super-3 number, since 3×4444208623 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 126453 + ... + 129919.

It is an arithmetic number, because the mean of its divisors is an integer number (42136200).

Almost surely, 2444420862 is an apocalyptic number.

444420862 is a deficient number, since it is larger than the sum of its proper divisors (229758338).

444420862 is a wasteful number, since it uses less digits than its factorization.

444420862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4175.

The product of its (nonzero) digits is 49152, while the sum is 34.

The square root of 444420862 is about 21081.2917535904. The cubic root of 444420862 is about 763.1293305501.

The spelling of 444420862 in words is "four hundred forty-four million, four hundred twenty thousand, eight hundred sixty-two".

Divisors: 1 2 107 214 599 1198 3467 6934 64093 128186 370969 741938 2076733 4153466 222210431 444420862