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144302313 = 373965089
BaseRepresentation
bin10001001100111…
…10000011101001
3101001112022120010
420212132003221
5243420133223
622152522133
73401356311
oct1046360351
9331468503
10144302313
1174500511
12403b0349
1323b856ac
1415244441
15ca06393
hex899e0e9

144302313 has 8 divisors (see below), whose sum is σ = 192666400. Its totient is φ = 96069888.

The previous prime is 144302309. The next prime is 144302339. The reversal of 144302313 is 313203441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144302313 - 22 = 144302309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 144302313.

It is not an unprimeable number, because it can be changed into a prime (144302363) 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, 30328 + ... + 34761.

It is an arithmetic number, because the mean of its divisors is an integer number (24083300).

Almost surely, 2144302313 is an apocalyptic number.

It is an amenable number.

144302313 is a deficient number, since it is larger than the sum of its proper divisors (48364087).

144302313 is an equidigital number, since it uses as much as digits as its factorization.

144302313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65831.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 144302313 is about 12012.5897707364. The cubic root of 144302313 is about 524.5148206934.

Adding to 144302313 its reverse (313203441), we get a palindrome (457505754).

The spelling of 144302313 in words is "one hundred forty-four million, three hundred two thousand, three hundred thirteen".

Divisors: 1 3 739 2217 65089 195267 48100771 144302313