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144242411 = 314652981
BaseRepresentation
bin10001001100011…
…11011011101011
3101001102021101112
420212033123223
5243411224121
622151340535
73401016545
oct1046173353
9331367345
10144242411
117446a505
124038174b
1323b64351
141522a695
15c9e375b
hex898f6eb

144242411 has 4 divisors (see below), whose sum is σ = 148895424. Its totient is φ = 139589400.

The previous prime is 144242401. The next prime is 144242429. The reversal of 144242411 is 114242441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144242411 - 26 = 144242347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144242401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2326460 + ... + 2326521.

It is an arithmetic number, because the mean of its divisors is an integer number (37223856).

Almost surely, 2144242411 is an apocalyptic number.

144242411 is a deficient number, since it is larger than the sum of its proper divisors (4653013).

144242411 is an equidigital number, since it uses as much as digits as its factorization.

144242411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4653012.

The product of its digits is 1024, while the sum is 23.

The square root of 144242411 is about 12010.0962111051. The cubic root of 144242411 is about 524.4422327247.

Adding to 144242411 its reverse (114242441), we get a palindrome (258484852).

The spelling of 144242411 in words is "one hundred forty-four million, two hundred forty-two thousand, four hundred eleven".

Divisors: 1 31 4652981 144242411