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144552386 = 21110316373
BaseRepresentation
bin10001001110110…
…11000111000010
3101002000000121002
420213123013002
5244001134021
622202132002
73403450346
oct1047330702
9332000532
10144552386
1174661390
12404b1002
1323c42474
14152ab626
15ca5550b
hex89db1c2

144552386 has 16 divisors (see below), whose sum is σ = 236806848. Its totient is φ = 65631600.

The previous prime is 144552329. The next prime is 144552389. The reversal of 144552386 is 683255441.

It is not an unprimeable number, because it can be changed into a prime (144552389) 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, 19496 + ... + 25868.

It is an arithmetic number, because the mean of its divisors is an integer number (14800428).

Almost surely, 2144552386 is an apocalyptic number.

144552386 is a deficient number, since it is larger than the sum of its proper divisors (92254462).

144552386 is a wasteful number, since it uses less digits than its factorization.

144552386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7417.

The product of its digits is 115200, while the sum is 38.

The square root of 144552386 is about 12022.9940530635. The cubic root of 144552386 is about 524.8176370400.

The spelling of 144552386 in words is "one hundred forty-four million, five hundred fifty-two thousand, three hundred eighty-six".

Divisors: 1 2 11 22 1031 2062 6373 11341 12746 22682 70103 140206 6570563 13141126 72276193 144552386