Search a number
-
+
143049448 = 2327764553
BaseRepresentation
bin10001000011011…
…00001011101000
3100222011122221201
420201230023220
5243110040243
622110013544
73354620533
oct1041541350
9328148851
10143049448
1173825193
123baa72b4
1323837359
1414dd9a1a
15c85a04d
hex886c2e8

143049448 has 16 divisors (see below), whose sum is σ = 269190180. Its totient is φ = 71265408.

The previous prime is 143049377. The next prime is 143049449. The reversal of 143049448 is 844940341.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 106543684 + 36505764 = 10322^2 + 6042^2 .

It is not an unprimeable number, because it can be changed into a prime (143049449) 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 3 ways as a sum of consecutive naturals, for example, 30061 + ... + 34492.

Almost surely, 2143049448 is an apocalyptic number.

It is an amenable number.

143049448 is a deficient number, since it is larger than the sum of its proper divisors (126140732).

143049448 is a wasteful number, since it uses less digits than its factorization.

143049448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64836 (or 64832 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 143049448 is about 11960.3280891454. The cubic root of 143049448 is about 522.9924211691.

Adding to 143049448 its reverse (844940341), we get a palindrome (987989789).

The spelling of 143049448 in words is "one hundred forty-three million, forty-nine thousand, four hundred forty-eight".

Divisors: 1 2 4 8 277 554 1108 2216 64553 129106 258212 516424 17881181 35762362 71524724 143049448