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144238 = 2411759
BaseRepresentation
bin100011001101101110
321022212011
4203031232
514103423
63031434
71140343
oct431556
9238764
10144238
1199406
126b57a
1350863
143a7ca
152cb0d
hex2336e

144238 has 8 divisors (see below), whose sum is σ = 221760. Its totient is φ = 70320.

The previous prime is 144223. The next prime is 144241. The reversal of 144238 is 832441.

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

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

144238 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 798 + ... + 961.

It is an arithmetic number, because the mean of its divisors is an integer number (27720).

2144238 is an apocalyptic number.

144238 is a deficient number, since it is larger than the sum of its proper divisors (77522).

144238 is a wasteful number, since it uses less digits than its factorization.

144238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802.

The product of its digits is 768, while the sum is 22.

The square root of 144238 is about 379.7867822871. The cubic root of 144238 is about 52.4436886774.

Adding to 144238 its reverse (832441), we get a palindrome (976679).

The spelling of 144238 in words is "one hundred forty-four thousand, two hundred thirty-eight".

Divisors: 1 2 41 82 1759 3518 72119 144238