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144221110 = 25112119191
BaseRepresentation
bin10001001100010…
…10001110110110
3101001101012011121
420212022032312
5243410033420
622151054154
73400600465
oct1046121666
9331335147
10144221110
1174455500
124037135a
1323b57747
14152229dc
15c9dc2aa
hex898a3b6

144221110 has 24 divisors (see below), whose sum is σ = 285345648. Its totient is φ = 52443600.

The previous prime is 144221107. The next prime is 144221111. The reversal of 144221110 is 11122441.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144221111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58386 + ... + 60805.

It is an arithmetic number, because the mean of its divisors is an integer number (11889402).

Almost surely, 2144221110 is an apocalyptic number.

144221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144221110 is a deficient number, since it is larger than the sum of its proper divisors (141124538).

144221110 is a wasteful number, since it uses less digits than its factorization.

144221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119220 (or 119209 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 144221110 is about 12009.2093828028. The cubic root of 144221110 is about 524.4164157825.

Adding to 144221110 its reverse (11122441), we get a palindrome (155343551).

The spelling of 144221110 in words is "one hundred forty-four million, two hundred twenty-one thousand, one hundred ten".

Divisors: 1 2 5 10 11 22 55 110 121 242 605 1210 119191 238382 595955 1191910 1311101 2622202 6555505 13111010 14422111 28844222 72110555 144221110