Search a number
-
+
144712411 = 417194909
BaseRepresentation
bin10001010000000…
…10001011011011
3101002022011002221
420220002023123
5244021244121
622205404511
73405015034
oct1050021333
9332264087
10144712411
1174760638
1240569737
1323c9a25c
141530da8b
15ca87b41
hex8a022db

144712411 has 8 divisors (see below), whose sum is σ = 148478400. Its totient is φ = 140957760.

The previous prime is 144712387. The next prime is 144712459. The reversal of 144712411 is 114217441.

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

It is a cyclic number.

It is not a de Polignac number, because 144712411 - 219 = 144188123 is a prime.

It is a super-3 number, since 3×1447124113 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144712111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27025 + ... + 31933.

It is an arithmetic number, because the mean of its divisors is an integer number (18559800).

Almost surely, 2144712411 is an apocalyptic number.

144712411 is a deficient number, since it is larger than the sum of its proper divisors (3765989).

144712411 is an equidigital number, since it uses as much as digits as its factorization.

144712411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5669.

The product of its digits is 896, while the sum is 25.

The square root of 144712411 is about 12029.6471685582. The cubic root of 144712411 is about 525.0112299941.

Adding to 144712411 its reverse (114217441), we get a palindrome (258929852).

The spelling of 144712411 in words is "one hundred forty-four million, seven hundred twelve thousand, four hundred eleven".

Divisors: 1 41 719 4909 29479 201269 3529571 144712411