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444442122 = 232223263421
BaseRepresentation
bin11010011111011…
…010011000001010
31010222021222222100
4122133122120022
51402234121442
6112033534230
714004460425
oct3237323012
91128258870
10444442122
1120896aa43
12104a14376
1371102007
14430529bc
152904184c
hex1a7da60a

444442122 has 48 divisors (see below), whose sum is σ = 973260288. Its totient is φ = 146573280.

The previous prime is 444442093. The next prime is 444442127. The reversal of 444442122 is 221244444.

444442122 is a `hidden beast` number, since 4 + 4 + 444 + 212 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (444442127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1055472 + ... + 1055892.

It is an arithmetic number, because the mean of its divisors is an integer number (20276256).

Almost surely, 2444442122 is an apocalyptic number.

444442122 is an abundant number, since it is smaller than the sum of its proper divisors (528818166).

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

444442122 is a wasteful number, since it uses less digits than its factorization.

444442122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915 (or 912 counting only the distinct ones).

The product of its digits is 8192, while the sum is 27.

The square root of 444442122 is about 21081.7959861109. The cubic root of 444442122 is about 763.1414990990.

Adding to 444442122 its reverse (221244444), we get a palindrome (665686566).

The spelling of 444442122 in words is "four hundred forty-four million, four hundred forty-two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 223 263 421 446 526 669 789 842 1263 1338 1578 2007 2367 2526 3789 4014 4734 7578 58649 93883 110723 117298 175947 187766 221446 281649 332169 351894 527841 563298 664338 844947 996507 1055682 1689894 1993014 24691229 49382458 74073687 148147374 222221061 444442122