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144203103 = 321119312473
BaseRepresentation
bin10001001100001…
…01110101011111
3101001100021110200
420212011311133
5243403444403
622150434543
73400464132
oct1046056537
9331307420
10144203103
1174442a20
1240362a53
1323b4c4a5
141521a219
15c9d6ca3
hex8985d5f

144203103 has 48 divisors (see below), whose sum is σ = 247004160. Its totient is φ = 80092800.

The previous prime is 144203083. The next prime is 144203107. The reversal of 144203103 is 301302441.

It is not a de Polignac number, because 144203103 - 25 = 144203071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144203107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57075 + ... + 59547.

It is an arithmetic number, because the mean of its divisors is an integer number (5145920).

Almost surely, 2144203103 is an apocalyptic number.

144203103 is a deficient number, since it is larger than the sum of its proper divisors (102801057).

144203103 is a wasteful number, since it uses less digits than its factorization.

144203103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540 (or 2537 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 144203103 is about 12008.4596431016. The cubic root of 144203103 is about 524.3945892056.

Adding to 144203103 its reverse (301302441), we get a palindrome (445505544).

The spelling of 144203103 in words is "one hundred forty-four million, two hundred three thousand, one hundred three".

Divisors: 1 3 9 11 19 31 33 57 93 99 171 209 279 341 589 627 1023 1767 1881 2473 3069 5301 6479 7419 19437 22257 27203 46987 58311 76663 81609 140961 229989 244827 422883 516857 689967 843293 1456597 1550571 2529879 4369791 4651713 7589637 13109373 16022567 48067701 144203103