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144221962 = 2831276841
BaseRepresentation
bin10001001100010…
…10011100001010
3101001101020100011
420212022130022
5243410100322
622151102134
73400603123
oct1046123412
9331336304
10144221962
1174456105
124037194a
1323b57c51
141522304a
15c9dc677
hex898a70a

144221962 has 16 divisors (see below), whose sum is σ = 220695552. Its totient is φ = 70670880.

The previous prime is 144221849. The next prime is 144221963. The reversal of 144221962 is 269122441.

It is not an unprimeable number, because it can be changed into a prime (144221963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17662 + ... + 24502.

It is an arithmetic number, because the mean of its divisors is an integer number (13793472).

Almost surely, 2144221962 is an apocalyptic number.

144221962 is a deficient number, since it is larger than the sum of its proper divisors (76473590).

144221962 is a wasteful number, since it uses less digits than its factorization.

144221962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7053.

The product of its digits is 6912, while the sum is 31.

The square root of 144221962 is about 12009.2448555269. The cubic root of 144221962 is about 524.4174484605.

It can be divided in two parts, 14422 and 1962, that added together give a 14-th power (16384 = 214).

The spelling of 144221962 in words is "one hundred forty-four million, two hundred twenty-one thousand, nine hundred sixty-two".

Divisors: 1 2 83 127 166 254 6841 10541 13682 21082 567803 868807 1135606 1737614 72110981 144221962