Search a number
-
+
144349311 = 3232092019
BaseRepresentation
bin10001001101010…
…01100001111111
3101001121201000210
420212221201333
5243423134221
622153523503
73401643321
oct1046514177
9331551023
10144349311
1174532857
1240413593
1323ba0bc2
1415257611
15ca15276
hex89a987f

144349311 has 8 divisors (see below), whose sum is σ = 200833920. Its totient is φ = 92048792.

The previous prime is 144349307. The next prime is 144349333. The reversal of 144349311 is 113943441.

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 144349311 - 22 = 144349307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144369311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1045941 + ... + 1046078.

It is an arithmetic number, because the mean of its divisors is an integer number (25104240).

Almost surely, 2144349311 is an apocalyptic number.

144349311 is a deficient number, since it is larger than the sum of its proper divisors (56484609).

144349311 is a wasteful number, since it uses less digits than its factorization.

144349311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092045.

The product of its digits is 5184, while the sum is 30.

The square root of 144349311 is about 12014.5458091432. The cubic root of 144349311 is about 524.5717578076.

The spelling of 144349311 in words is "one hundred forty-four million, three hundred forty-nine thousand, three hundred eleven".

Divisors: 1 3 23 69 2092019 6276057 48116437 144349311