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144202214 = 21313939901
BaseRepresentation
bin10001001100001…
…01100111100110
3101001100020020202
420212011213212
5243403432324
622150430502
73400461422
oct1046054746
9331306222
10144202214
1174442292
1240362432
1323b4bc70
1415219b82
15c9d68ae
hex89859e6

144202214 has 16 divisors (see below), whose sum is σ = 234623760. Its totient is φ = 66074400.

The previous prime is 144202213. The next prime is 144202217. The reversal of 144202214 is 412202441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144202213) 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 7 ways as a sum of consecutive naturals, for example, 16337 + ... + 23564.

It is an arithmetic number, because the mean of its divisors is an integer number (14663985).

Almost surely, 2144202214 is an apocalyptic number.

144202214 is a deficient number, since it is larger than the sum of its proper divisors (90421546).

144202214 is a wasteful number, since it uses less digits than its factorization.

144202214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40055.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 144202214 is about 12008.4226274728. The cubic root of 144202214 is about 524.3935115872.

Adding to 144202214 its reverse (412202441), we get a palindrome (556404655).

The spelling of 144202214 in words is "one hundred forty-four million, two hundred two thousand, two hundred fourteen".

Divisors: 1 2 13 26 139 278 1807 3614 39901 79802 518713 1037426 5546239 11092478 72101107 144202214