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1442224020 = 223529098263
BaseRepresentation
bin101010111110110…
…1001011110010100
310201111210120102110
41111331221132110
510423202132040
6355035511020
750511462516
oct12575513624
93644716373
101442224020
11680109286
12342bb8470
1319ca436c3
14d9783bb6
1586935980
hex55f69794

1442224020 has 48 divisors (see below), whose sum is σ = 4040104320. Its totient is φ = 384414336.

The previous prime is 1442223997. The next prime is 1442224031. The reversal of 1442224020 is 204222441.

It is a congruent number.

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, 170409 + ... + 178671.

It is an arithmetic number, because the mean of its divisors is an integer number (84168840).

Almost surely, 21442224020 is an apocalyptic number.

1442224020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442224020 is an abundant number, since it is smaller than the sum of its proper divisors (2597880300).

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

1442224020 is a wasteful number, since it uses less digits than its factorization.

1442224020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11184 (or 11182 counting only the distinct ones).

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

The square root of 1442224020 is about 37976.6246525412. The cubic root of 1442224020 is about 1129.8242919949.

Adding to 1442224020 its reverse (204222441), we get a palindrome (1646446461).

The spelling of 1442224020 in words is "one billion, four hundred forty-two million, two hundred twenty-four thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2909 5818 8263 8727 11636 14545 16526 17454 24789 29090 33052 34908 41315 43635 49578 58180 82630 87270 99156 123945 165260 174540 247890 495780 24037067 48074134 72111201 96148268 120185335 144222402 240370670 288444804 360556005 480741340 721112010 1442224020