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144478052 = 22191901027
BaseRepresentation
bin10001001110010…
…00111101100100
3101001212020121222
420213020331210
5243441244202
622200355512
73403020545
oct1047107544
9331766558
10144478052
1174610554
1240475b98
1323c17694
141528c4cc
15ca3d4a2
hex89c8f64

144478052 has 12 divisors (see below), whose sum is σ = 266143920. Its totient is φ = 68436936.

The previous prime is 144478051. The next prime is 144478067. The reversal of 144478052 is 250874441.

It is not an unprimeable number, because it can be changed into a prime (144478051) 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 3 ways as a sum of consecutive naturals, for example, 950438 + ... + 950589.

It is an arithmetic number, because the mean of its divisors is an integer number (22178660).

Almost surely, 2144478052 is an apocalyptic number.

It is an amenable number.

144478052 is a deficient number, since it is larger than the sum of its proper divisors (121665868).

144478052 is a wasteful number, since it uses less digits than its factorization.

144478052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901050 (or 1901048 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 35.

The square root of 144478052 is about 12019.9023290541. The cubic root of 144478052 is about 524.7276616239.

The spelling of 144478052 in words is "one hundred forty-four million, four hundred seventy-eight thousand, fifty-two".

Divisors: 1 2 4 19 38 76 1901027 3802054 7604108 36119513 72239026 144478052