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444102420 = 22357401707
BaseRepresentation
bin11010011110000…
…111011100010100
31010221122201222210
4122132013130110
51402142234140
6112022353420
714001544146
oct3236073424
91127581883
10444102420
112087587a3
1210488b870
13710134c8
1442da4c96
1528ec5d80
hex1a787714

444102420 has 24 divisors (see below), whose sum is σ = 1243486944. Its totient is φ = 118427296.

The previous prime is 444102413. The next prime is 444102437. The reversal of 444102420 is 24201444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3700794 + ... + 3700913.

It is an arithmetic number, because the mean of its divisors is an integer number (51811956).

Almost surely, 2444102420 is an apocalyptic number.

It is an amenable number.

444102420 is an abundant number, since it is smaller than the sum of its proper divisors (799384524).

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

444102420 is a wasteful number, since it uses less digits than its factorization.

444102420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7401719 (or 7401717 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 444102420 is about 21073.7376846159. The cubic root of 444102420 is about 762.9470180049.

Adding to 444102420 its reverse (24201444), we get a palindrome (468303864).

The spelling of 444102420 in words is "four hundred forty-four million, one hundred two thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 7401707 14803414 22205121 29606828 37008535 44410242 74017070 88820484 111025605 148034140 222051210 444102420