Search a number
-
+
144413401 = 1140932099
BaseRepresentation
bin10001001101110…
…01001011011001
3101001201221221111
420212321023121
5243432212101
622155140321
73402331216
oct1046711331
9331657844
10144413401
1174576a20
12404446a1
1323bc4122
1415272b0d
15ca29251
hex89b92d9

144413401 has 8 divisors (see below), whose sum is σ = 157932000. Its totient is φ = 130959840.

The previous prime is 144413387. The next prime is 144413473. The reversal of 144413401 is 104314441.

144413401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 144413401 - 29 = 144412889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144473401) 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, 11551 + ... + 20548.

It is an arithmetic number, because the mean of its divisors is an integer number (19741500).

Almost surely, 2144413401 is an apocalyptic number.

144413401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144413401 is a deficient number, since it is larger than the sum of its proper divisors (13518599).

144413401 is a wasteful number, since it uses less digits than its factorization.

144413401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32519.

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

The square root of 144413401 is about 12017.2126967945. The cubic root of 144413401 is about 524.6493816154.

Adding to 144413401 its reverse (104314441), we get a palindrome (248727842).

The spelling of 144413401 in words is "one hundred forty-four million, four hundred thirteen thousand, four hundred one".

Divisors: 1 11 409 4499 32099 353089 13128491 144413401