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144022214 = 27791071217
BaseRepresentation
bin10001001010110…
…01101011000110
3101001000002100002
420211121223012
5243332202324
622142521302
73366111560
oct1045315306
9331002302
10144022214
117432a026
1240296232
1323ab805b
14151b0330
15c99d3ae
hex8959ac6

144022214 has 32 divisors (see below), whose sum is σ = 252564480. Its totient is φ = 60323328.

The previous prime is 144022201. The next prime is 144022231. The reversal of 144022214 is 412220441.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 117734 + ... + 118950.

It is an arithmetic number, because the mean of its divisors is an integer number (7892640).

Almost surely, 2144022214 is an apocalyptic number.

144022214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

144022214 is a deficient number, since it is larger than the sum of its proper divisors (108542266).

144022214 is a wasteful number, since it uses less digits than its factorization.

144022214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412.

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

The square root of 144022214 is about 12000.9255476401. The cubic root of 144022214 is about 524.1752298399.

Adding to 144022214 its reverse (412220441), we get a palindrome (556242655).

The spelling of 144022214 in words is "one hundred forty-four million, twenty-two thousand, two hundred fourteen".

Divisors: 1 2 7 14 79 107 158 214 553 749 1106 1217 1498 2434 8453 8519 16906 17038 59171 96143 118342 130219 192286 260438 673001 911533 1346002 1823066 10287301 20574602 72011107 144022214