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1440300100 = 225229349157
BaseRepresentation
bin101010111011001…
…0011110001000100
310201101011211022011
41111312103301010
510422204100400
6354530344004
750456230441
oct12566236104
93641154264
101440300100
1167a014868
1234242b004
1319c51baa5
14d94029c8
15866a58ba
hex55d93c44

1440300100 has 36 divisors (see below), whose sum is σ = 3136182084. Its totient is φ = 574142080.

The previous prime is 1440300091. The next prime is 1440300151. The reversal of 1440300100 is 10030441.

It can be written as a sum of positive squares in 6 ways, for example, as 49308484 + 1390991616 = 7022^2 + 37296^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4722 + ... + 53878.

It is an arithmetic number, because the mean of its divisors is an integer number (87116169).

Almost surely, 21440300100 is an apocalyptic number.

1440300100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1440300100 is an abundant number, since it is smaller than the sum of its proper divisors (1695881984).

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

1440300100 is a wasteful number, since it uses less digits than its factorization.

1440300100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49464 (or 49457 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1440300100 is about 37951.2858807182. The cubic root of 1440300100 is about 1129.3216750174.

Adding to 1440300100 its reverse (10030441), we get a palindrome (1450330541).

The spelling of 1440300100 in words is "one billion, four hundred forty million, three hundred thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 293 586 1172 1465 2930 5860 7325 14650 29300 49157 98314 196628 245785 491570 983140 1228925 2457850 4915700 14403001 28806002 57612004 72015005 144030010 288060020 360075025 720150050 1440300100