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144253244 = 22191898069
BaseRepresentation
bin10001001100100…
…10000100111100
3101001102211020202
420212102010330
5243412100434
622151503032
73401063252
oct1046220474
9331384222
10144253244
1174477663
1240387a78
1323b69265
14152305d2
15c9e6a7e
hex899213c

144253244 has 12 divisors (see below), whose sum is σ = 265729800. Its totient is φ = 68330448.

The previous prime is 144253237. The next prime is 144253271. The reversal of 144253244 is 442352441.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 948959 + ... + 949110.

It is an arithmetic number, because the mean of its divisors is an integer number (22144150).

Almost surely, 2144253244 is an apocalyptic number.

It is an amenable number.

144253244 is a deficient number, since it is larger than the sum of its proper divisors (121476556).

144253244 is a wasteful number, since it uses less digits than its factorization.

144253244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898092 (or 1898090 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 144253244 is about 12010.5471981921. The cubic root of 144253244 is about 524.4553614119.

The spelling of 144253244 in words is "one hundred forty-four million, two hundred fifty-three thousand, two hundred forty-four".

Divisors: 1 2 4 19 38 76 1898069 3796138 7592276 36063311 72126622 144253244