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144307103 = 294976107
BaseRepresentation
bin10001001100111…
…11001110011111
3101001112120010112
420212133032133
5243420311403
622153000235
73401406263
oct1046371637
9331476115
10144307103
1174504076
12403b307b
1323b87925
14152460a3
15ca079d8
hex899f39f

144307103 has 4 divisors (see below), whose sum is σ = 149283240. Its totient is φ = 139330968.

The previous prime is 144307087. The next prime is 144307133. The reversal of 144307103 is 301703441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301703441 = 1323207957.

It is a cyclic number.

It is not a de Polignac number, because 144307103 - 24 = 144307087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144307133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2488025 + ... + 2488082.

It is an arithmetic number, because the mean of its divisors is an integer number (37320810).

Almost surely, 2144307103 is an apocalyptic number.

144307103 is a deficient number, since it is larger than the sum of its proper divisors (4976137).

144307103 is an equidigital number, since it uses as much as digits as its factorization.

144307103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4976136.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 144307103 is about 12012.7891432423. The cubic root of 144307103 is about 524.5206242460.

The spelling of 144307103 in words is "one hundred forty-four million, three hundred seven thousand, one hundred three".

Divisors: 1 29 4976107 144307103