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1440000122 = 211161940429
BaseRepresentation
bin101010111010100…
…1010100001111010
310201100121120210212
41111311022201322
510422120000442
6354520111122
750453541041
oct12565124172
93640546725
101440000122
1167992a450
123423054a2
1319c4453a2
14d9365558
1586646a82
hex55d4a87a

1440000122 has 16 divisors (see below), whose sum is σ = 2357877600. Its totient is φ = 654125040.

The previous prime is 1440000119. The next prime is 1440000131. The reversal of 1440000122 is 2210000441.

It is a junction number, because it is equal to n+sod(n) for n = 1440000097 and 1440000106.

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, 15404 + ... + 55832.

It is an arithmetic number, because the mean of its divisors is an integer number (147367350).

Almost surely, 21440000122 is an apocalyptic number.

1440000122 is a deficient number, since it is larger than the sum of its proper divisors (917877478).

1440000122 is a wasteful number, since it uses less digits than its factorization.

1440000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42061.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1440000122 is about 37947.3335295117. Note that the first 3 decimals coincide. The cubic root of 1440000122 is about 1129.2432665479.

Adding to 1440000122 its reverse (2210000441), we get a palindrome (3650000563).

The spelling of 1440000122 in words is "one billion, four hundred forty million, one hundred twenty-two", and thus it is an aban number.

Divisors: 1 2 11 22 1619 3238 17809 35618 40429 80858 444719 889438 65454551 130909102 720000061 1440000122